211956970

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{7487}}^1$

素因数の和:7662

約数の個数: 32

約数和(自身を含む): 404352000

約数和(自身を除く): 192395030

約数列:

[1, 2, 5, 10, 19, 38, 95, 149, 190, 298, 745, 1490, 2831, 5662, 7487, 14155, 14974, 28310, 37435, 74870, 142253, 284506, 711265, 1115563, 1422530, 2231126, 5577815, 11155630, 21195697, 42391394, 105978485, 211956970]

約数ペア:

[(1, 211956970), (2, 105978485), (5, 42391394), (10, 21195697), (19, 11155630), (38, 5577815), (95, 2231126), (149, 1422530), (190, 1115563), (298, 711265), (745, 284506), (1490, 142253), (2831, 74870), (5662, 37435), (7487, 28310), (14155, 14974)]