393080000

素因数分解:

$2^6\times 5^4\times {\mathrm{31}}^1\times {\mathrm{317}}^1$

素因数の和:380

約数の個数: 140

約数和(自身を含む): 1009326912

約数和(自身を除く): 616246912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 64, 80, 100, 124, 125, 155, 160, 200, 248, 250, 310, 317, 320, 400, 496, 500, 620, 625, 634, 775, 800, 992, 1000, 1240, 1250, 1268, 1550, 1585, 1600, 1984, 2000, 2480, 2500, 2536, 3100, 3170, 3875, 4000, 4960, 5000, 5072, 6200, 6340, 7750, 7925, 8000, 9827, 9920, 10000, 10144, 12400, 12680, 15500, 15850, 19375, 19654, 20000, 20288, 24800, 25360, 31000, 31700, 38750, 39308, 39625, 40000, 49135, 49600, 50720, 62000, 63400, 77500, 78616, 79250, 98270, 101440, 124000, 126800, 155000, 157232, 158500, 196540, 198125, 245675, 248000, 253600, 310000, 314464, 317000, 393080, 396250, 491350, 507200, 620000, 628928, 634000, 786160, 792500, 982700, 1228375, 1240000, 1268000, 1572320, 1585000, 1965400, 2456750, 2536000, 3144640, 3170000, 3930800, 4913500, 6141875, 6340000, 7861600, 9827000, 12283750, 12680000, 15723200, 19654000, 24567500, 39308000, 49135000, 78616000, 98270000, 196540000, 393080000]

約数ペア:

[(1, 393080000), (2, 196540000), (4, 98270000), (5, 78616000), (8, 49135000), (10, 39308000), (16, 24567500), (20, 19654000), (25, 15723200), (31, 12680000), (32, 12283750), (40, 9827000), (50, 7861600), (62, 6340000), (64, 6141875), (80, 4913500), (100, 3930800), (124, 3170000), (125, 3144640), (155, 2536000), (160, 2456750), (200, 1965400), (248, 1585000), (250, 1572320), (310, 1268000), (317, 1240000), (320, 1228375), (400, 982700), (496, 792500), (500, 786160), (620, 634000), (625, 628928), (634, 620000), (775, 507200), (800, 491350), (992, 396250), (1000, 393080), (1240, 317000), (1250, 314464), (1268, 310000), (1550, 253600), (1585, 248000), (1600, 245675), (1984, 198125), (2000, 196540), (2480, 158500), (2500, 157232), (2536, 155000), (3100, 126800), (3170, 124000), (3875, 101440), (4000, 98270), (4960, 79250), (5000, 78616), (5072, 77500), (6200, 63400), (6340, 62000), (7750, 50720), (7925, 49600), (8000, 49135), (9827, 40000), (9920, 39625), (10000, 39308), (10144, 38750), (12400, 31700), (12680, 31000), (15500, 25360), (15850, 24800), (19375, 20288), (19654, 20000)]