848437820

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{317}}^1\times {\mathrm{821}}^1$

素因数の和:1310

約数の個数: 48

約数和(自身を含む): 1800495648

約数和(自身を除く): 952057828

約数列:

[1, 2, 4, 5, 10, 20, 163, 317, 326, 634, 652, 815, 821, 1268, 1585, 1630, 1642, 3170, 3260, 3284, 4105, 6340, 8210, 16420, 51671, 103342, 133823, 206684, 258355, 260257, 267646, 516710, 520514, 535292, 669115, 1033420, 1041028, 1301285, 1338230, 2602570, 2676460, 5205140, 42421891, 84843782, 169687564, 212109455, 424218910, 848437820]

約数ペア:

[(1, 848437820), (2, 424218910), (4, 212109455), (5, 169687564), (10, 84843782), (20, 42421891), (163, 5205140), (317, 2676460), (326, 2602570), (634, 1338230), (652, 1301285), (815, 1041028), (821, 1033420), (1268, 669115), (1585, 535292), (1630, 520514), (1642, 516710), (3170, 267646), (3260, 260257), (3284, 258355), (4105, 206684), (6340, 133823), (8210, 103342), (16420, 51671)]