122861620

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{283}}^1\times {\mathrm{443}}^1$

素因数の和:749

約数の個数: 72

約数和(自身を含む): 301873824

約数和(自身を除く): 179012204

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 283, 443, 490, 566, 886, 980, 1132, 1415, 1772, 1981, 2215, 2830, 3101, 3962, 4430, 5660, 6202, 7924, 8860, 9905, 12404, 13867, 15505, 19810, 21707, 27734, 31010, 39620, 43414, 55468, 62020, 69335, 86828, 108535, 125369, 138670, 217070, 250738, 277340, 434140, 501476, 626845, 877583, 1253690, 1755166, 2507380, 3510332, 4387915, 6143081, 8775830, 12286162, 17551660, 24572324, 30715405, 61430810, 122861620]

約数ペア:

[(1, 122861620), (2, 61430810), (4, 30715405), (5, 24572324), (7, 17551660), (10, 12286162), (14, 8775830), (20, 6143081), (28, 4387915), (35, 3510332), (49, 2507380), (70, 1755166), (98, 1253690), (140, 877583), (196, 626845), (245, 501476), (283, 434140), (443, 277340), (490, 250738), (566, 217070), (886, 138670), (980, 125369), (1132, 108535), (1415, 86828), (1772, 69335), (1981, 62020), (2215, 55468), (2830, 43414), (3101, 39620), (3962, 31010), (4430, 27734), (5660, 21707), (6202, 19810), (7924, 15505), (8860, 13867), (9905, 12404)]