178769890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^3\times {\mathrm{79}}^1\times {\mathrm{103}}^1$

素因数の和:228

約数の個数: 64

約数和(自身を含む): 356428800

約数和(自身を除く): 177658910

約数列:

[1, 2, 5, 10, 13, 26, 65, 79, 103, 130, 158, 169, 206, 338, 395, 515, 790, 845, 1027, 1030, 1339, 1690, 2054, 2197, 2678, 4394, 5135, 6695, 8137, 10270, 10985, 13351, 13390, 16274, 17407, 21970, 26702, 34814, 40685, 66755, 81370, 87035, 105781, 133510, 173563, 174070, 211562, 226291, 347126, 452582, 528905, 867815, 1057810, 1131455, 1375153, 1735630, 2262910, 2750306, 6875765, 13751530, 17876989, 35753978, 89384945, 178769890]

約数ペア:

[(1, 178769890), (2, 89384945), (5, 35753978), (10, 17876989), (13, 13751530), (26, 6875765), (65, 2750306), (79, 2262910), (103, 1735630), (130, 1375153), (158, 1131455), (169, 1057810), (206, 867815), (338, 528905), (395, 452582), (515, 347126), (790, 226291), (845, 211562), (1027, 174070), (1030, 173563), (1339, 133510), (1690, 105781), (2054, 87035), (2197, 81370), (2678, 66755), (4394, 40685), (5135, 34814), (6695, 26702), (8137, 21970), (10270, 17407), (10985, 16274), (13351, 13390)]