8956220

素因数分解:

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

素因数の和:92

約数の個数: 144

約数和(自身を含む): 25472160

約数和(自身を除く): 16515940

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 19, 20, 26, 28, 35, 37, 38, 49, 52, 65, 70, 74, 76, 91, 95, 98, 130, 133, 140, 148, 182, 185, 190, 196, 245, 247, 259, 260, 266, 364, 370, 380, 455, 481, 490, 494, 518, 532, 637, 665, 703, 740, 910, 931, 962, 980, 988, 1036, 1235, 1274, 1295, 1330, 1406, 1729, 1813, 1820, 1862, 1924, 2405, 2470, 2548, 2590, 2660, 2812, 3185, 3367, 3458, 3515, 3626, 3724, 4655, 4810, 4921, 4940, 5180, 6370, 6734, 6916, 7030, 7252, 8645, 9065, 9139, 9310, 9620, 9842, 12103, 12740, 13468, 14060, 16835, 17290, 18130, 18278, 18620, 19684, 23569, 24206, 24605, 33670, 34447, 34580, 36260, 36556, 45695, 47138, 48412, 49210, 60515, 63973, 67340, 68894, 91390, 94276, 98420, 117845, 121030, 127946, 137788, 172235, 182780, 235690, 242060, 255892, 319865, 344470, 447811, 471380, 639730, 688940, 895622, 1279460, 1791244, 2239055, 4478110, 8956220]

約数ペア:

[(1, 8956220), (2, 4478110), (4, 2239055), (5, 1791244), (7, 1279460), (10, 895622), (13, 688940), (14, 639730), (19, 471380), (20, 447811), (26, 344470), (28, 319865), (35, 255892), (37, 242060), (38, 235690), (49, 182780), (52, 172235), (65, 137788), (70, 127946), (74, 121030), (76, 117845), (91, 98420), (95, 94276), (98, 91390), (130, 68894), (133, 67340), (140, 63973), (148, 60515), (182, 49210), (185, 48412), (190, 47138), (196, 45695), (245, 36556), (247, 36260), (259, 34580), (260, 34447), (266, 33670), (364, 24605), (370, 24206), (380, 23569), (455, 19684), (481, 18620), (490, 18278), (494, 18130), (518, 17290), (532, 16835), (637, 14060), (665, 13468), (703, 12740), (740, 12103), (910, 9842), (931, 9620), (962, 9310), (980, 9139), (988, 9065), (1036, 8645), (1235, 7252), (1274, 7030), (1295, 6916), (1330, 6734), (1406, 6370), (1729, 5180), (1813, 4940), (1820, 4921), (1862, 4810), (1924, 4655), (2405, 3724), (2470, 3626), (2548, 3515), (2590, 3458), (2660, 3367), (2812, 3185)]