420942340

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1$

素因数の和:139

約数の個数: 288

約数和(自身を含む): 1222663680

約数和(自身を除く): 801721340

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 19, 20, 26, 28, 35, 37, 38, 47, 49, 52, 65, 70, 74, 76, 91, 94, 95, 98, 130, 133, 140, 148, 182, 185, 188, 190, 196, 235, 245, 247, 259, 260, 266, 329, 364, 370, 380, 455, 470, 481, 490, 494, 518, 532, 611, 637, 658, 665, 703, 740, 893, 910, 931, 940, 962, 980, 988, 1036, 1222, 1235, 1274, 1295, 1316, 1330, 1406, 1645, 1729, 1739, 1786, 1813, 1820, 1862, 1924, 2303, 2405, 2444, 2470, 2548, 2590, 2660, 2812, 3055, 3185, 3290, 3367, 3458, 3478, 3515, 3572, 3626, 3724, 4277, 4465, 4606, 4655, 4810, 4921, 4940, 5180, 6110, 6251, 6370, 6580, 6734, 6916, 6956, 7030, 7252, 8554, 8645, 8695, 8930, 9065, 9139, 9212, 9310, 9620, 9842, 11515, 11609, 12103, 12173, 12220, 12502, 12740, 13468, 14060, 16835, 17108, 17290, 17390, 17860, 18130, 18278, 18620, 19684, 21385, 22607, 23030, 23218, 23569, 24206, 24346, 24605, 25004, 29939, 31255, 33041, 33670, 34447, 34580, 34780, 36260, 36556, 42770, 43757, 45214, 45695, 46060, 46436, 47138, 48412, 48692, 49210, 58045, 59878, 60515, 60865, 62510, 63973, 66082, 67340, 68894, 81263, 85211, 85540, 87514, 90428, 91390, 94276, 98420, 113035, 116090, 117845, 119756, 121030, 121730, 125020, 127946, 132164, 137788, 149695, 158249, 162526, 165205, 170422, 172235, 175028, 182780, 218785, 226070, 231287, 232180, 235690, 242060, 243460, 255892, 299390, 316498, 319865, 325052, 330410, 340844, 344470, 406315, 426055, 429533, 437570, 447811, 452140, 462574, 471380, 568841, 598780, 632996, 639730, 660820, 688940, 791245, 812630, 852110, 859066, 875140, 895622, 925148, 1107743, 1137682, 1156435, 1279460, 1582490, 1619009, 1625260, 1704220, 1718132, 1791244, 2147665, 2215486, 2239055, 2275364, 2312870, 2844205, 3006731, 3164980, 3238018, 4295330, 4430972, 4478110, 4625740, 5538715, 5688410, 6013462, 6476036, 8095045, 8590660, 8956220, 11077430, 11376820, 12026924, 15033655, 16190090, 21047117, 22154860, 30067310, 32380180, 42094234, 60134620, 84188468, 105235585, 210471170, 420942340]

約数ペア:

[(1, 420942340), (2, 210471170), (4, 105235585), (5, 84188468), (7, 60134620), (10, 42094234), (13, 32380180), (14, 30067310), (19, 22154860), (20, 21047117), (26, 16190090), (28, 15033655), (35, 12026924), (37, 11376820), (38, 11077430), (47, 8956220), (49, 8590660), (52, 8095045), (65, 6476036), (70, 6013462), (74, 5688410), (76, 5538715), (91, 4625740), (94, 4478110), (95, 4430972), (98, 4295330), (130, 3238018), (133, 3164980), (140, 3006731), (148, 2844205), (182, 2312870), (185, 2275364), (188, 2239055), (190, 2215486), (196, 2147665), (235, 1791244), (245, 1718132), (247, 1704220), (259, 1625260), (260, 1619009), (266, 1582490), (329, 1279460), (364, 1156435), (370, 1137682), (380, 1107743), (455, 925148), (470, 895622), (481, 875140), (490, 859066), (494, 852110), (518, 812630), (532, 791245), (611, 688940), (637, 660820), (658, 639730), (665, 632996), (703, 598780), (740, 568841), (893, 471380), (910, 462574), (931, 452140), (940, 447811), (962, 437570), (980, 429533), (988, 426055), (1036, 406315), (1222, 344470), (1235, 340844), (1274, 330410), (1295, 325052), (1316, 319865), (1330, 316498), (1406, 299390), (1645, 255892), (1729, 243460), (1739, 242060), (1786, 235690), (1813, 232180), (1820, 231287), (1862, 226070), (1924, 218785), (2303, 182780), (2405, 175028), (2444, 172235), (2470, 170422), (2548, 165205), (2590, 162526), (2660, 158249), (2812, 149695), (3055, 137788), (3185, 132164), (3290, 127946), (3367, 125020), (3458, 121730), (3478, 121030), (3515, 119756), (3572, 117845), (3626, 116090), (3724, 113035), (4277, 98420), (4465, 94276), (4606, 91390), (4655, 90428), (4810, 87514), (4921, 85540), (4940, 85211), (5180, 81263), (6110, 68894), (6251, 67340), (6370, 66082), (6580, 63973), (6734, 62510), (6916, 60865), (6956, 60515), (7030, 59878), (7252, 58045), (8554, 49210), (8645, 48692), (8695, 48412), (8930, 47138), (9065, 46436), (9139, 46060), (9212, 45695), (9310, 45214), (9620, 43757), (9842, 42770), (11515, 36556), (11609, 36260), (12103, 34780), (12173, 34580), (12220, 34447), (12502, 33670), (12740, 33041), (13468, 31255), (14060, 29939), (16835, 25004), (17108, 24605), (17290, 24346), (17390, 24206), (17860, 23569), (18130, 23218), (18278, 23030), (18620, 22607), (19684, 21385)]