1277952980

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1\times {\mathrm{13709}}^1$

素因数の和:13856

約数の個数: 48

約数和(自身を含む): 2763936000

約数和(自身を除く): 1485983020

約数列:

[1, 2, 4, 5, 10, 20, 59, 79, 118, 158, 236, 295, 316, 395, 590, 790, 1180, 1580, 4661, 9322, 13709, 18644, 23305, 27418, 46610, 54836, 68545, 93220, 137090, 274180, 808831, 1083011, 1617662, 2166022, 3235324, 4044155, 4332044, 5415055, 8088310, 10830110, 16176620, 21660220, 63897649, 127795298, 255590596, 319488245, 638976490, 1277952980]

約数ペア:

[(1, 1277952980), (2, 638976490), (4, 319488245), (5, 255590596), (10, 127795298), (20, 63897649), (59, 21660220), (79, 16176620), (118, 10830110), (158, 8088310), (236, 5415055), (295, 4332044), (316, 4044155), (395, 3235324), (590, 2166022), (790, 1617662), (1180, 1083011), (1580, 808831), (4661, 274180), (9322, 137090), (13709, 93220), (18644, 68545), (23305, 54836), (27418, 46610)]