349360

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{397}}^1$

素因数の和:421

約数の個数: 40

約数和(自身を含む): 888336

約数和(自身を除く): 538976

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 397, 440, 794, 880, 1588, 1985, 3176, 3970, 4367, 6352, 7940, 8734, 15880, 17468, 21835, 31760, 34936, 43670, 69872, 87340, 174680, 349360]

約数ペア:

[(1, 349360), (2, 174680), (4, 87340), (5, 69872), (8, 43670), (10, 34936), (11, 31760), (16, 21835), (20, 17468), (22, 15880), (40, 8734), (44, 7940), (55, 6352), (80, 4367), (88, 3970), (110, 3176), (176, 1985), (220, 1588), (397, 880), (440, 794)]