105425140

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{163}}^1\times {\mathrm{443}}^1$

素因数の和:688

約数の個数: 48

約数和(自身を含む): 226312128

約数和(自身を除く): 120886988

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 163, 292, 326, 365, 443, 652, 730, 815, 886, 1460, 1630, 1772, 2215, 3260, 4430, 8860, 11899, 23798, 32339, 47596, 59495, 64678, 72209, 118990, 129356, 144418, 161695, 237980, 288836, 323390, 361045, 646780, 722090, 1444180, 5271257, 10542514, 21085028, 26356285, 52712570, 105425140]

約数ペア:

[(1, 105425140), (2, 52712570), (4, 26356285), (5, 21085028), (10, 10542514), (20, 5271257), (73, 1444180), (146, 722090), (163, 646780), (292, 361045), (326, 323390), (365, 288836), (443, 237980), (652, 161695), (730, 144418), (815, 129356), (886, 118990), (1460, 72209), (1630, 64678), (1772, 59495), (2215, 47596), (3260, 32339), (4430, 23798), (8860, 11899)]