159438200

素因数分解:

$2^3\times 5^2\times {\mathrm{821}}^1\times {\mathrm{971}}^1$

素因数の和:1808

約数の個数: 48

約数和(自身を含む): 371527560

約数和(自身を除く): 212089360

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 821, 971, 1642, 1942, 3284, 3884, 4105, 4855, 6568, 7768, 8210, 9710, 16420, 19420, 20525, 24275, 32840, 38840, 41050, 48550, 82100, 97100, 164200, 194200, 797191, 1594382, 3188764, 3985955, 6377528, 7971910, 15943820, 19929775, 31887640, 39859550, 79719100, 159438200]

約数ペア:

[(1, 159438200), (2, 79719100), (4, 39859550), (5, 31887640), (8, 19929775), (10, 15943820), (20, 7971910), (25, 6377528), (40, 3985955), (50, 3188764), (100, 1594382), (200, 797191), (821, 194200), (971, 164200), (1642, 97100), (1942, 82100), (3284, 48550), (3884, 41050), (4105, 38840), (4855, 32840), (6568, 24275), (7768, 20525), (8210, 19420), (9710, 16420)]