126848620

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{139}}^1\times {\mathrm{443}}^1$

素因数の和:694

約数の個数: 48

約数和(自身を含む): 271514880

約数和(自身を除く): 144666260

約数列:

[1, 2, 4, 5, 10, 20, 103, 139, 206, 278, 412, 443, 515, 556, 695, 886, 1030, 1390, 1772, 2060, 2215, 2780, 4430, 8860, 14317, 28634, 45629, 57268, 61577, 71585, 91258, 123154, 143170, 182516, 228145, 246308, 286340, 307885, 456290, 615770, 912580, 1231540, 6342431, 12684862, 25369724, 31712155, 63424310, 126848620]

約数ペア:

[(1, 126848620), (2, 63424310), (4, 31712155), (5, 25369724), (10, 12684862), (20, 6342431), (103, 1231540), (139, 912580), (206, 615770), (278, 456290), (412, 307885), (443, 286340), (515, 246308), (556, 228145), (695, 182516), (886, 143170), (1030, 123154), (1390, 91258), (1772, 71585), (2060, 61577), (2215, 57268), (2780, 45629), (4430, 28634), (8860, 14317)]