280804990

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{9067}}^1$

素因数の和:9256

約数の個数: 32

約数和(自身を含む): 535374720

約数和(自身を除く): 254569730

約数列:

[1, 2, 5, 10, 19, 38, 95, 163, 190, 326, 815, 1630, 3097, 6194, 9067, 15485, 18134, 30970, 45335, 90670, 172273, 344546, 861365, 1477921, 1722730, 2955842, 7389605, 14779210, 28080499, 56160998, 140402495, 280804990]

約数ペア:

[(1, 280804990), (2, 140402495), (5, 56160998), (10, 28080499), (19, 14779210), (38, 7389605), (95, 2955842), (163, 1722730), (190, 1477921), (326, 861365), (815, 344546), (1630, 172273), (3097, 90670), (6194, 45335), (9067, 30970), (15485, 18134)]