291370940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{31063}}^1$

素因数の和:31146

約数の個数: 48

約数和(自身を含む): 709750272

約数和(自身を除く): 418379332

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 67, 70, 134, 140, 268, 335, 469, 670, 938, 1340, 1876, 2345, 4690, 9380, 31063, 62126, 124252, 155315, 217441, 310630, 434882, 621260, 869764, 1087205, 2081221, 2174410, 4162442, 4348820, 8324884, 10406105, 14568547, 20812210, 29137094, 41624420, 58274188, 72842735, 145685470, 291370940]

約数ペア:

[(1, 291370940), (2, 145685470), (4, 72842735), (5, 58274188), (7, 41624420), (10, 29137094), (14, 20812210), (20, 14568547), (28, 10406105), (35, 8324884), (67, 4348820), (70, 4162442), (134, 2174410), (140, 2081221), (268, 1087205), (335, 869764), (469, 621260), (670, 434882), (938, 310630), (1340, 217441), (1876, 155315), (2345, 124252), (4690, 62126), (9380, 31063)]