279432890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{409}}^1\times {\mathrm{6211}}^1$

素因数の和:6638

約数の個数: 32

約数和(自身を含む): 550134720

約数和(自身を除く): 270701830

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 409, 818, 2045, 4090, 4499, 6211, 8998, 12422, 22495, 31055, 44990, 62110, 68321, 136642, 341605, 683210, 2540299, 5080598, 12701495, 25402990, 27943289, 55886578, 139716445, 279432890]

約数ペア:

[(1, 279432890), (2, 139716445), (5, 55886578), (10, 27943289), (11, 25402990), (22, 12701495), (55, 5080598), (110, 2540299), (409, 683210), (818, 341605), (2045, 136642), (4090, 68321), (4499, 62110), (6211, 44990), (8998, 31055), (12422, 22495)]