719655950

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{409}}^1\times {\mathrm{2707}}^1$

素因数の和:3141

約数の個数: 48

約数和(自身を含む): 1445584560

約数和(自身を除く): 725928610

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 409, 650, 818, 2045, 2707, 4090, 5317, 5414, 10225, 10634, 13535, 20450, 26585, 27070, 35191, 53170, 67675, 70382, 132925, 135350, 175955, 265850, 351910, 879775, 1107163, 1759550, 2214326, 5535815, 11071630, 14393119, 27679075, 28786238, 55358150, 71965595, 143931190, 359827975, 719655950]

約数ペア:

[(1, 719655950), (2, 359827975), (5, 143931190), (10, 71965595), (13, 55358150), (25, 28786238), (26, 27679075), (50, 14393119), (65, 11071630), (130, 5535815), (325, 2214326), (409, 1759550), (650, 1107163), (818, 879775), (2045, 351910), (2707, 265850), (4090, 175955), (5317, 135350), (5414, 132925), (10225, 70382), (10634, 67675), (13535, 53170), (20450, 35191), (26585, 27070)]