15708007940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2797}}^1\times {\mathrm{14779}}^1$

素因数の和:17604

約数の個数: 48

約数和(自身を含む): 34737729600

約数和(自身を除く): 19029721660

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 2797, 5594, 11188, 13985, 14779, 27970, 29558, 53143, 55940, 59116, 73895, 106286, 147790, 212572, 265715, 280801, 295580, 531430, 561602, 1062860, 1123204, 1404005, 2808010, 5616020, 41336863, 82673726, 165347452, 206684315, 413368630, 785400397, 826737260, 1570800794, 3141601588, 3927001985, 7854003970, 15708007940]

約数ペア:

[(1, 15708007940), (2, 7854003970), (4, 3927001985), (5, 3141601588), (10, 1570800794), (19, 826737260), (20, 785400397), (38, 413368630), (76, 206684315), (95, 165347452), (190, 82673726), (380, 41336863), (2797, 5616020), (5594, 2808010), (11188, 1404005), (13985, 1123204), (14779, 1062860), (27970, 561602), (29558, 531430), (53143, 295580), (55940, 280801), (59116, 265715), (73895, 212572), (106286, 147790)]