988007200

素因数分解:

$2^5\times 5^2\times {\mathrm{31}}^1\times {\mathrm{39839}}^1$

素因数の和:39890

約数の個数: 72

約数和(自身を含む): 2489840640

約数和(自身を除く): 1501833440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 80, 100, 124, 155, 160, 200, 248, 310, 400, 496, 620, 775, 800, 992, 1240, 1550, 2480, 3100, 4960, 6200, 12400, 24800, 39839, 79678, 159356, 199195, 318712, 398390, 637424, 796780, 995975, 1235009, 1274848, 1593560, 1991950, 2470018, 3187120, 3983900, 4940036, 6175045, 6374240, 7967800, 9880072, 12350090, 15935600, 19760144, 24700180, 30875225, 31871200, 39520288, 49400360, 61750450, 98800720, 123500900, 197601440, 247001800, 494003600, 988007200]

約数ペア:

[(1, 988007200), (2, 494003600), (4, 247001800), (5, 197601440), (8, 123500900), (10, 98800720), (16, 61750450), (20, 49400360), (25, 39520288), (31, 31871200), (32, 30875225), (40, 24700180), (50, 19760144), (62, 15935600), (80, 12350090), (100, 9880072), (124, 7967800), (155, 6374240), (160, 6175045), (200, 4940036), (248, 3983900), (310, 3187120), (400, 2470018), (496, 1991950), (620, 1593560), (775, 1274848), (800, 1235009), (992, 995975), (1240, 796780), (1550, 637424), (2480, 398390), (3100, 318712), (4960, 199195), (6200, 159356), (12400, 79678), (24800, 39839)]