919463480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1768199}}^1$

素因数の和:1768223

約数の個数: 32

約数和(自身を含む): 2227932000

約数和(自身を除く): 1308468520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 1768199, 3536398, 7072796, 8840995, 14145592, 17681990, 22986587, 35363980, 45973174, 70727960, 91946348, 114932935, 183892696, 229865870, 459731740, 919463480]

約数ペア:

[(1, 919463480), (2, 459731740), (4, 229865870), (5, 183892696), (8, 114932935), (10, 91946348), (13, 70727960), (20, 45973174), (26, 35363980), (40, 22986587), (52, 17681990), (65, 14145592), (104, 8840995), (130, 7072796), (260, 3536398), (520, 1768199)]