1285460060

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{449}}^1\times {\mathrm{3329}}^1$

素因数の和:3830

約数の個数: 48

約数和(自身を含む): 2769228000

約数和(自身を除く): 1483767940

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 449, 860, 898, 1796, 2245, 3329, 4490, 6658, 8980, 13316, 16645, 19307, 33290, 38614, 66580, 77228, 96535, 143147, 193070, 286294, 386140, 572588, 715735, 1431470, 1494721, 2862940, 2989442, 5978884, 7473605, 14947210, 29894420, 64273003, 128546006, 257092012, 321365015, 642730030, 1285460060]

約数ペア:

[(1, 1285460060), (2, 642730030), (4, 321365015), (5, 257092012), (10, 128546006), (20, 64273003), (43, 29894420), (86, 14947210), (172, 7473605), (215, 5978884), (430, 2989442), (449, 2862940), (860, 1494721), (898, 1431470), (1796, 715735), (2245, 572588), (3329, 386140), (4490, 286294), (6658, 193070), (8980, 143147), (13316, 96535), (16645, 77228), (19307, 66580), (33290, 38614)]