1285074440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{34807}}^1$

素因数の和:34902

約数の個数: 64

約数和(自身を含む): 3157781760

約数和(自身を除く): 1872707320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 71, 104, 130, 142, 260, 284, 355, 520, 568, 710, 923, 1420, 1846, 2840, 3692, 4615, 7384, 9230, 18460, 34807, 36920, 69614, 139228, 174035, 278456, 348070, 452491, 696140, 904982, 1392280, 1809964, 2262455, 2471297, 3619928, 4524910, 4942594, 9049820, 9885188, 12356485, 18099640, 19770376, 24712970, 32126861, 49425940, 64253722, 98851880, 128507444, 160634305, 257014888, 321268610, 642537220, 1285074440]

約数ペア:

[(1, 1285074440), (2, 642537220), (4, 321268610), (5, 257014888), (8, 160634305), (10, 128507444), (13, 98851880), (20, 64253722), (26, 49425940), (40, 32126861), (52, 24712970), (65, 19770376), (71, 18099640), (104, 12356485), (130, 9885188), (142, 9049820), (260, 4942594), (284, 4524910), (355, 3619928), (520, 2471297), (568, 2262455), (710, 1809964), (923, 1392280), (1420, 904982), (1846, 696140), (2840, 452491), (3692, 348070), (4615, 278456), (7384, 174035), (9230, 139228), (18460, 69614), (34807, 36920)]