31299940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{1249}}^1$

素因数の和:1444

約数の個数: 48

約数和(自身を含む): 75600000

約数和(自身を除く): 44300060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 179, 358, 716, 895, 1249, 1253, 1790, 2498, 2506, 3580, 4996, 5012, 6245, 6265, 8743, 12490, 12530, 17486, 24980, 25060, 34972, 43715, 87430, 174860, 223571, 447142, 894284, 1117855, 1564997, 2235710, 3129994, 4471420, 6259988, 7824985, 15649970, 31299940]

約数ペア:

[(1, 31299940), (2, 15649970), (4, 7824985), (5, 6259988), (7, 4471420), (10, 3129994), (14, 2235710), (20, 1564997), (28, 1117855), (35, 894284), (70, 447142), (140, 223571), (179, 174860), (358, 87430), (716, 43715), (895, 34972), (1249, 25060), (1253, 24980), (1790, 17486), (2498, 12530), (2506, 12490), (3580, 8743), (4996, 6265), (5012, 6245)]