404996840

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{199}}^1\times {\mathrm{613}}^1$

素因数の和:906

約数の個数: 64

約数和(自身を含む): 928368000

約数和(自身を除く): 523371160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 199, 332, 398, 415, 613, 664, 796, 830, 995, 1226, 1592, 1660, 1990, 2452, 3065, 3320, 3980, 4904, 6130, 7960, 12260, 16517, 24520, 33034, 50879, 66068, 82585, 101758, 121987, 132136, 165170, 203516, 243974, 254395, 330340, 407032, 487948, 508790, 609935, 660680, 975896, 1017580, 1219870, 2035160, 2439740, 4879480, 10124921, 20249842, 40499684, 50624605, 80999368, 101249210, 202498420, 404996840]

約数ペア:

[(1, 404996840), (2, 202498420), (4, 101249210), (5, 80999368), (8, 50624605), (10, 40499684), (20, 20249842), (40, 10124921), (83, 4879480), (166, 2439740), (199, 2035160), (332, 1219870), (398, 1017580), (415, 975896), (613, 660680), (664, 609935), (796, 508790), (830, 487948), (995, 407032), (1226, 330340), (1592, 254395), (1660, 243974), (1990, 203516), (2452, 165170), (3065, 132136), (3320, 121987), (3980, 101758), (4904, 82585), (6130, 66068), (7960, 50879), (12260, 33034), (16517, 24520)]