421667456

素因数分解:

$2^7\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1$

素因数の和:135

約数の個数: 256

約数和(自身を含む): 1128038400

約数和(自身を除く): 706370944

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 19, 28, 31, 32, 34, 38, 47, 56, 62, 64, 68, 76, 94, 112, 119, 124, 128, 133, 136, 152, 188, 217, 224, 238, 248, 266, 272, 304, 323, 329, 376, 434, 448, 476, 496, 527, 532, 544, 589, 608, 646, 658, 752, 799, 868, 893, 896, 952, 992, 1054, 1064, 1088, 1178, 1216, 1292, 1316, 1457, 1504, 1598, 1736, 1786, 1904, 1984, 2108, 2128, 2176, 2261, 2356, 2432, 2584, 2632, 2914, 3008, 3196, 3472, 3572, 3689, 3808, 3968, 4123, 4216, 4256, 4522, 4712, 5168, 5264, 5593, 5828, 6016, 6251, 6392, 6944, 7144, 7378, 7616, 8246, 8432, 8512, 9044, 9424, 10013, 10199, 10336, 10528, 11186, 11656, 12502, 12784, 13888, 14288, 14756, 15181, 15232, 16492, 16864, 17024, 18088, 18848, 20026, 20398, 20672, 21056, 22372, 23312, 24769, 25004, 25568, 27683, 27776, 28576, 29512, 30362, 32984, 33728, 36176, 37696, 40052, 40796, 41344, 42112, 44744, 46624, 49538, 50008, 51136, 55366, 57152, 59024, 60724, 65968, 67456, 70091, 72352, 75392, 80104, 81592, 89488, 93248, 99076, 100016, 102272, 106267, 110732, 114304, 118048, 121448, 131936, 140182, 144704, 160208, 163184, 173383, 178976, 186496, 193781, 198152, 200032, 212534, 221464, 236096, 242896, 263872, 280364, 289408, 320416, 326368, 346766, 357952, 387562, 396304, 400064, 425068, 442928, 470611, 472192, 485792, 527744, 560728, 640832, 652736, 693532, 715904, 775124, 792608, 800128, 850136, 885856, 941222, 971584, 1121456, 1281664, 1305472, 1387064, 1550248, 1585216, 1700272, 1771712, 1882444, 1943168, 2242912, 2774128, 3100496, 3170432, 3294277, 3400544, 3543424, 3764888, 4485824, 5548256, 6200992, 6588554, 6801088, 7529776, 8971648, 11096512, 12401984, 13177108, 13602176, 15059552, 22193024, 24803968, 26354216, 30119104, 52708432, 60238208, 105416864, 210833728, 421667456]

約数ペア:

[(1, 421667456), (2, 210833728), (4, 105416864), (7, 60238208), (8, 52708432), (14, 30119104), (16, 26354216), (17, 24803968), (19, 22193024), (28, 15059552), (31, 13602176), (32, 13177108), (34, 12401984), (38, 11096512), (47, 8971648), (56, 7529776), (62, 6801088), (64, 6588554), (68, 6200992), (76, 5548256), (94, 4485824), (112, 3764888), (119, 3543424), (124, 3400544), (128, 3294277), (133, 3170432), (136, 3100496), (152, 2774128), (188, 2242912), (217, 1943168), (224, 1882444), (238, 1771712), (248, 1700272), (266, 1585216), (272, 1550248), (304, 1387064), (323, 1305472), (329, 1281664), (376, 1121456), (434, 971584), (448, 941222), (476, 885856), (496, 850136), (527, 800128), (532, 792608), (544, 775124), (589, 715904), (608, 693532), (646, 652736), (658, 640832), (752, 560728), (799, 527744), (868, 485792), (893, 472192), (896, 470611), (952, 442928), (992, 425068), (1054, 400064), (1064, 396304), (1088, 387562), (1178, 357952), (1216, 346766), (1292, 326368), (1316, 320416), (1457, 289408), (1504, 280364), (1598, 263872), (1736, 242896), (1786, 236096), (1904, 221464), (1984, 212534), (2108, 200032), (2128, 198152), (2176, 193781), (2261, 186496), (2356, 178976), (2432, 173383), (2584, 163184), (2632, 160208), (2914, 144704), (3008, 140182), (3196, 131936), (3472, 121448), (3572, 118048), (3689, 114304), (3808, 110732), (3968, 106267), (4123, 102272), (4216, 100016), (4256, 99076), (4522, 93248), (4712, 89488), (5168, 81592), (5264, 80104), (5593, 75392), (5828, 72352), (6016, 70091), (6251, 67456), (6392, 65968), (6944, 60724), (7144, 59024), (7378, 57152), (7616, 55366), (8246, 51136), (8432, 50008), (8512, 49538), (9044, 46624), (9424, 44744), (10013, 42112), (10199, 41344), (10336, 40796), (10528, 40052), (11186, 37696), (11656, 36176), (12502, 33728), (12784, 32984), (13888, 30362), (14288, 29512), (14756, 28576), (15181, 27776), (15232, 27683), (16492, 25568), (16864, 25004), (17024, 24769), (18088, 23312), (18848, 22372), (20026, 21056), (20398, 20672)]