251571200

素因数分解:

$2^{10}\times 5^2\times {\mathrm{31}}^1\times {\mathrm{317}}^1$

素因数の和:378

約数の個数: 132

約数和(自身を含む): 645738432

約数和(自身を除く): 394167232

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 64, 80, 100, 124, 128, 155, 160, 200, 248, 256, 310, 317, 320, 400, 496, 512, 620, 634, 640, 775, 800, 992, 1024, 1240, 1268, 1280, 1550, 1585, 1600, 1984, 2480, 2536, 2560, 3100, 3170, 3200, 3968, 4960, 5072, 5120, 6200, 6340, 6400, 7925, 7936, 9827, 9920, 10144, 12400, 12680, 12800, 15850, 15872, 19654, 19840, 20288, 24800, 25360, 25600, 31700, 31744, 39308, 39680, 40576, 49135, 49600, 50720, 63400, 78616, 79360, 81152, 98270, 99200, 101440, 126800, 157232, 158720, 162304, 196540, 198400, 202880, 245675, 253600, 314464, 324608, 393080, 396800, 405760, 491350, 507200, 628928, 786160, 793600, 811520, 982700, 1014400, 1257856, 1572320, 1623040, 1965400, 2028800, 2515712, 3144640, 3930800, 4057600, 5031424, 6289280, 7861600, 8115200, 10062848, 12578560, 15723200, 25157120, 31446400, 50314240, 62892800, 125785600, 251571200]

約数ペア:

[(1, 251571200), (2, 125785600), (4, 62892800), (5, 50314240), (8, 31446400), (10, 25157120), (16, 15723200), (20, 12578560), (25, 10062848), (31, 8115200), (32, 7861600), (40, 6289280), (50, 5031424), (62, 4057600), (64, 3930800), (80, 3144640), (100, 2515712), (124, 2028800), (128, 1965400), (155, 1623040), (160, 1572320), (200, 1257856), (248, 1014400), (256, 982700), (310, 811520), (317, 793600), (320, 786160), (400, 628928), (496, 507200), (512, 491350), (620, 405760), (634, 396800), (640, 393080), (775, 324608), (800, 314464), (992, 253600), (1024, 245675), (1240, 202880), (1268, 198400), (1280, 196540), (1550, 162304), (1585, 158720), (1600, 157232), (1984, 126800), (2480, 101440), (2536, 99200), (2560, 98270), (3100, 81152), (3170, 79360), (3200, 78616), (3968, 63400), (4960, 50720), (5072, 49600), (5120, 49135), (6200, 40576), (6340, 39680), (6400, 39308), (7925, 31744), (7936, 31700), (9827, 25600), (9920, 25360), (10144, 24800), (12400, 20288), (12680, 19840), (12800, 19654), (15850, 15872)]