520000875

素因数分解:

$3^2\times 5^3\times {\mathrm{563}}^1\times {\mathrm{821}}^1$

素因数の和:1405

約数の個数: 48

約数和(自身を含む): 940197024

約数和(自身を除く): 420196149

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 125, 225, 375, 563, 821, 1125, 1689, 2463, 2815, 4105, 5067, 7389, 8445, 12315, 14075, 20525, 25335, 36945, 42225, 61575, 70375, 102625, 126675, 184725, 211125, 307875, 462223, 633375, 923625, 1386669, 2311115, 4160007, 6933345, 11555575, 20800035, 34666725, 57777875, 104000175, 173333625, 520000875]

約数ペア:

[(1, 520000875), (3, 173333625), (5, 104000175), (9, 57777875), (15, 34666725), (25, 20800035), (45, 11555575), (75, 6933345), (125, 4160007), (225, 2311115), (375, 1386669), (563, 923625), (821, 633375), (1125, 462223), (1689, 307875), (2463, 211125), (2815, 184725), (4105, 126675), (5067, 102625), (7389, 70375), (8445, 61575), (12315, 42225), (14075, 36945), (20525, 25335)]