394366960

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{379199}}^1$

素因数の和:379225

約数の個数: 40

約数和(自身を含む): 987436800

約数和(自身を除く): 593069840

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 379199, 758398, 1516796, 1895995, 3033592, 3791990, 4929587, 6067184, 7583980, 9859174, 15167960, 19718348, 24647935, 30335920, 39436696, 49295870, 78873392, 98591740, 197183480, 394366960]

約数ペア:

[(1, 394366960), (2, 197183480), (4, 98591740), (5, 78873392), (8, 49295870), (10, 39436696), (13, 30335920), (16, 24647935), (20, 19718348), (26, 15167960), (40, 9859174), (52, 7583980), (65, 6067184), (80, 4929587), (104, 3791990), (130, 3033592), (208, 1895995), (260, 1516796), (520, 758398), (1040, 379199)]