31198000

素因数分解:

$2^4\times 5^3\times {\mathrm{19}}^1\times {\mathrm{821}}^1$

素因数の和:863

約数の個数: 80

約数和(自身を含む): 79503840

約数和(自身を除く): 48305840

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 38, 40, 50, 76, 80, 95, 100, 125, 152, 190, 200, 250, 304, 380, 400, 475, 500, 760, 821, 950, 1000, 1520, 1642, 1900, 2000, 2375, 3284, 3800, 4105, 4750, 6568, 7600, 8210, 9500, 13136, 15599, 16420, 19000, 20525, 31198, 32840, 38000, 41050, 62396, 65680, 77995, 82100, 102625, 124792, 155990, 164200, 205250, 249584, 311980, 328400, 389975, 410500, 623960, 779950, 821000, 1247920, 1559900, 1642000, 1949875, 3119800, 3899750, 6239600, 7799500, 15599000, 31198000]

約数ペア:

[(1, 31198000), (2, 15599000), (4, 7799500), (5, 6239600), (8, 3899750), (10, 3119800), (16, 1949875), (19, 1642000), (20, 1559900), (25, 1247920), (38, 821000), (40, 779950), (50, 623960), (76, 410500), (80, 389975), (95, 328400), (100, 311980), (125, 249584), (152, 205250), (190, 164200), (200, 155990), (250, 124792), (304, 102625), (380, 82100), (400, 77995), (475, 65680), (500, 62396), (760, 41050), (821, 38000), (950, 32840), (1000, 31198), (1520, 20525), (1642, 19000), (1900, 16420), (2000, 15599), (2375, 13136), (3284, 9500), (3800, 8210), (4105, 7600), (4750, 6568)]