318219850

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{7307}}^1$

素因数の和:7399

約数の個数: 48

約数和(自身を含む): 647021088

約数和(自身を除く): 328801238

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 67, 130, 134, 325, 335, 650, 670, 871, 1675, 1742, 3350, 4355, 7307, 8710, 14614, 21775, 36535, 43550, 73070, 94991, 182675, 189982, 365350, 474955, 489569, 949910, 979138, 2374775, 2447845, 4749550, 4895690, 6364397, 12239225, 12728794, 24478450, 31821985, 63643970, 159109925, 318219850]

約数ペア:

[(1, 318219850), (2, 159109925), (5, 63643970), (10, 31821985), (13, 24478450), (25, 12728794), (26, 12239225), (50, 6364397), (65, 4895690), (67, 4749550), (130, 2447845), (134, 2374775), (325, 979138), (335, 949910), (650, 489569), (670, 474955), (871, 365350), (1675, 189982), (1742, 182675), (3350, 94991), (4355, 73070), (7307, 43550), (8710, 36535), (14614, 21775)]