1557886660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{241}}^1\times {\mathrm{29383}}^1$

素因数の和:29644

約数の個数: 48

約数和(自身を含む): 3583907712

約数和(自身を除く): 2026021052

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 241, 482, 964, 1205, 2410, 2651, 4820, 5302, 10604, 13255, 26510, 29383, 53020, 58766, 117532, 146915, 293830, 323213, 587660, 646426, 1292852, 1616065, 3232130, 6464260, 7081303, 14162606, 28325212, 35406515, 70813030, 77894333, 141626060, 155788666, 311577332, 389471665, 778943330, 1557886660]

約数ペア:

[(1, 1557886660), (2, 778943330), (4, 389471665), (5, 311577332), (10, 155788666), (11, 141626060), (20, 77894333), (22, 70813030), (44, 35406515), (55, 28325212), (110, 14162606), (220, 7081303), (241, 6464260), (482, 3232130), (964, 1616065), (1205, 1292852), (2410, 646426), (2651, 587660), (4820, 323213), (5302, 293830), (10604, 146915), (13255, 117532), (26510, 58766), (29383, 53020)]