12415060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1249}}^1$

素因数の和:1336

約数の個数: 48

約数和(自身を含む): 30240000

約数和(自身を除く): 17824940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 994, 1249, 1420, 1988, 2485, 2498, 4970, 4996, 6245, 8743, 9940, 12490, 17486, 24980, 34972, 43715, 87430, 88679, 174860, 177358, 354716, 443395, 620753, 886790, 1241506, 1773580, 2483012, 3103765, 6207530, 12415060]

約数ペア:

[(1, 12415060), (2, 6207530), (4, 3103765), (5, 2483012), (7, 1773580), (10, 1241506), (14, 886790), (20, 620753), (28, 443395), (35, 354716), (70, 177358), (71, 174860), (140, 88679), (142, 87430), (284, 43715), (355, 34972), (497, 24980), (710, 17486), (994, 12490), (1249, 9940), (1420, 8743), (1988, 6245), (2485, 4996), (2498, 4970)]