281354736

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{1249}}^1$

素因数の和:1311

約数の個数: 120

約数和(自身を含む): 826770000

約数和(自身を除く): 545415264

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 19, 24, 26, 38, 39, 48, 52, 57, 76, 78, 104, 114, 152, 156, 208, 228, 247, 304, 312, 361, 456, 494, 624, 722, 741, 912, 988, 1083, 1249, 1444, 1482, 1976, 2166, 2498, 2888, 2964, 3747, 3952, 4332, 4693, 4996, 5776, 5928, 7494, 8664, 9386, 9992, 11856, 14079, 14988, 16237, 17328, 18772, 19984, 23731, 28158, 29976, 32474, 37544, 47462, 48711, 56316, 59952, 64948, 71193, 75088, 94924, 97422, 112632, 129896, 142386, 189848, 194844, 225264, 259792, 284772, 308503, 379696, 389688, 450889, 569544, 617006, 779376, 901778, 925509, 1139088, 1234012, 1352667, 1803556, 1851018, 2468024, 2705334, 3607112, 3702036, 4936048, 5410668, 5861557, 7214224, 7404072, 10821336, 11723114, 14808144, 17584671, 21642672, 23446228, 35169342, 46892456, 70338684, 93784912, 140677368, 281354736]

約数ペア:

[(1, 281354736), (2, 140677368), (3, 93784912), (4, 70338684), (6, 46892456), (8, 35169342), (12, 23446228), (13, 21642672), (16, 17584671), (19, 14808144), (24, 11723114), (26, 10821336), (38, 7404072), (39, 7214224), (48, 5861557), (52, 5410668), (57, 4936048), (76, 3702036), (78, 3607112), (104, 2705334), (114, 2468024), (152, 1851018), (156, 1803556), (208, 1352667), (228, 1234012), (247, 1139088), (304, 925509), (312, 901778), (361, 779376), (456, 617006), (494, 569544), (624, 450889), (722, 389688), (741, 379696), (912, 308503), (988, 284772), (1083, 259792), (1249, 225264), (1444, 194844), (1482, 189848), (1976, 142386), (2166, 129896), (2498, 112632), (2888, 97422), (2964, 94924), (3747, 75088), (3952, 71193), (4332, 64948), (4693, 59952), (4996, 56316), (5776, 48711), (5928, 47462), (7494, 37544), (8664, 32474), (9386, 29976), (9992, 28158), (11856, 23731), (14079, 19984), (14988, 18772), (16237, 17328)]