90825878980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{10391977}}^1$

素因数の和:10392028

約数の個数: 48

約数和(自身を含む): 209502276480

約数和(自身を除く): 118676397500

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 38, 46, 76, 92, 95, 115, 190, 230, 380, 437, 460, 874, 1748, 2185, 4370, 8740, 10391977, 20783954, 41567908, 51959885, 103919770, 197447563, 207839540, 239015471, 394895126, 478030942, 789790252, 956061884, 987237815, 1195077355, 1974475630, 2390154710, 3948951260, 4541293949, 4780309420, 9082587898, 18165175796, 22706469745, 45412939490, 90825878980]

約数ペア:

[(1, 90825878980), (2, 45412939490), (4, 22706469745), (5, 18165175796), (10, 9082587898), (19, 4780309420), (20, 4541293949), (23, 3948951260), (38, 2390154710), (46, 1974475630), (76, 1195077355), (92, 987237815), (95, 956061884), (115, 789790252), (190, 478030942), (230, 394895126), (380, 239015471), (437, 207839540), (460, 197447563), (874, 103919770), (1748, 51959885), (2185, 41567908), (4370, 20783954), (8740, 10391977)]