409824940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{13127}}^1$

素因数の和:13366

約数の個数: 48

約数和(自身を含む): 988065792

約数和(自身を除く): 578240852

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 223, 446, 892, 1115, 1561, 2230, 3122, 4460, 6244, 7805, 13127, 15610, 26254, 31220, 52508, 65635, 91889, 131270, 183778, 262540, 367556, 459445, 918890, 1837780, 2927321, 5854642, 11709284, 14636605, 20491247, 29273210, 40982494, 58546420, 81964988, 102456235, 204912470, 409824940]

約数ペア:

[(1, 409824940), (2, 204912470), (4, 102456235), (5, 81964988), (7, 58546420), (10, 40982494), (14, 29273210), (20, 20491247), (28, 14636605), (35, 11709284), (70, 5854642), (140, 2927321), (223, 1837780), (446, 918890), (892, 459445), (1115, 367556), (1561, 262540), (2230, 183778), (3122, 131270), (4460, 91889), (6244, 65635), (7805, 52508), (13127, 31220), (15610, 26254)]