402997100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{443}}^1\times {\mathrm{827}}^1$

素因数の和:1295

約数の個数: 72

約数和(自身を含む): 957313728

約数和(自身を除く): 554316628

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 220, 275, 443, 550, 827, 886, 1100, 1654, 1772, 2215, 3308, 4135, 4430, 4873, 8270, 8860, 9097, 9746, 11075, 16540, 18194, 19492, 20675, 22150, 24365, 36388, 41350, 44300, 45485, 48730, 82700, 90970, 97460, 121825, 181940, 227425, 243650, 366361, 454850, 487300, 732722, 909700, 1465444, 1831805, 3663610, 4029971, 7327220, 8059942, 9159025, 16119884, 18318050, 20149855, 36636100, 40299710, 80599420, 100749275, 201498550, 402997100]

約数ペア:

[(1, 402997100), (2, 201498550), (4, 100749275), (5, 80599420), (10, 40299710), (11, 36636100), (20, 20149855), (22, 18318050), (25, 16119884), (44, 9159025), (50, 8059942), (55, 7327220), (100, 4029971), (110, 3663610), (220, 1831805), (275, 1465444), (443, 909700), (550, 732722), (827, 487300), (886, 454850), (1100, 366361), (1654, 243650), (1772, 227425), (2215, 181940), (3308, 121825), (4135, 97460), (4430, 90970), (4873, 82700), (8270, 48730), (8860, 45485), (9097, 44300), (9746, 41350), (11075, 36388), (16540, 24365), (18194, 22150), (19492, 20675)]