405992000

素因数分解:

$2^6\times 5^3\times {\mathrm{19}}^1\times {\mathrm{2671}}^1$

素因数の和:2717

約数の個数: 112

約数和(自身を含む): 1058753280

約数和(自身を除く): 652761280

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 32, 38, 40, 50, 64, 76, 80, 95, 100, 125, 152, 160, 190, 200, 250, 304, 320, 380, 400, 475, 500, 608, 760, 800, 950, 1000, 1216, 1520, 1600, 1900, 2000, 2375, 2671, 3040, 3800, 4000, 4750, 5342, 6080, 7600, 8000, 9500, 10684, 13355, 15200, 19000, 21368, 26710, 30400, 38000, 42736, 50749, 53420, 66775, 76000, 85472, 101498, 106840, 133550, 152000, 170944, 202996, 213680, 253745, 267100, 333875, 405992, 427360, 507490, 534200, 667750, 811984, 854720, 1014980, 1068400, 1268725, 1335500, 1623968, 2029960, 2136800, 2537450, 2671000, 3247936, 4059920, 4273600, 5074900, 5342000, 6343625, 8119840, 10149800, 10684000, 12687250, 16239680, 20299600, 21368000, 25374500, 40599200, 50749000, 81198400, 101498000, 202996000, 405992000]

約数ペア:

[(1, 405992000), (2, 202996000), (4, 101498000), (5, 81198400), (8, 50749000), (10, 40599200), (16, 25374500), (19, 21368000), (20, 20299600), (25, 16239680), (32, 12687250), (38, 10684000), (40, 10149800), (50, 8119840), (64, 6343625), (76, 5342000), (80, 5074900), (95, 4273600), (100, 4059920), (125, 3247936), (152, 2671000), (160, 2537450), (190, 2136800), (200, 2029960), (250, 1623968), (304, 1335500), (320, 1268725), (380, 1068400), (400, 1014980), (475, 854720), (500, 811984), (608, 667750), (760, 534200), (800, 507490), (950, 427360), (1000, 405992), (1216, 333875), (1520, 267100), (1600, 253745), (1900, 213680), (2000, 202996), (2375, 170944), (2671, 152000), (3040, 133550), (3800, 106840), (4000, 101498), (4750, 85472), (5342, 76000), (6080, 66775), (7600, 53420), (8000, 50749), (9500, 42736), (10684, 38000), (13355, 30400), (15200, 26710), (19000, 21368)]