837443380

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{461}}^1\times {\mathrm{1489}}^1$

素因数の和:2020

約数の個数: 48

約数和(自身を含む): 1792541520

約数和(自身を除く): 955098140

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 461, 610, 922, 1220, 1489, 1844, 2305, 2978, 4610, 5956, 7445, 9220, 14890, 28121, 29780, 56242, 90829, 112484, 140605, 181658, 281210, 363316, 454145, 562420, 686429, 908290, 1372858, 1816580, 2745716, 3432145, 6864290, 13728580, 41872169, 83744338, 167488676, 209360845, 418721690, 837443380]

約数ペア:

[(1, 837443380), (2, 418721690), (4, 209360845), (5, 167488676), (10, 83744338), (20, 41872169), (61, 13728580), (122, 6864290), (244, 3432145), (305, 2745716), (461, 1816580), (610, 1372858), (922, 908290), (1220, 686429), (1489, 562420), (1844, 454145), (2305, 363316), (2978, 281210), (4610, 181658), (5956, 140605), (7445, 112484), (9220, 90829), (14890, 56242), (28121, 29780)]