756127940

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{271}}^1\times {\mathrm{2287}}^1$

素因数の和:2628

約数の個数: 48

約数和(自身を含む): 1620562944

約数和(自身を除く): 864435004

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 271, 305, 542, 610, 1084, 1220, 1355, 2287, 2710, 4574, 5420, 9148, 11435, 16531, 22870, 33062, 45740, 66124, 82655, 139507, 165310, 279014, 330620, 558028, 619777, 697535, 1239554, 1395070, 2479108, 2790140, 3098885, 6197770, 12395540, 37806397, 75612794, 151225588, 189031985, 378063970, 756127940]

約数ペア:

[(1, 756127940), (2, 378063970), (4, 189031985), (5, 151225588), (10, 75612794), (20, 37806397), (61, 12395540), (122, 6197770), (244, 3098885), (271, 2790140), (305, 2479108), (542, 1395070), (610, 1239554), (1084, 697535), (1220, 619777), (1355, 558028), (2287, 330620), (2710, 279014), (4574, 165310), (5420, 139507), (9148, 82655), (11435, 66124), (16531, 45740), (22870, 33062)]