199193600

素因数分解:

$2^{10}\times 5^2\times {\mathrm{31}}^1\times {\mathrm{251}}^1$

素因数の和:312

約数の個数: 132

約数和(自身を含む): 511717248

約数和(自身を除く): 312523648

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, 251, 256, 310, 320, 400, 496, 502, 512, 620, 640, 775, 800, 992, 1004, 1024, 1240, 1255, 1280, 1550, 1600, 1984, 2008, 2480, 2510, 2560, 3100, 3200, 3968, 4016, 4960, 5020, 5120, 6200, 6275, 6400, 7781, 7936, 8032, 9920, 10040, 12400, 12550, 12800, 15562, 15872, 16064, 19840, 20080, 24800, 25100, 25600, 31124, 31744, 32128, 38905, 39680, 40160, 49600, 50200, 62248, 64256, 77810, 79360, 80320, 99200, 100400, 124496, 128512, 155620, 158720, 160640, 194525, 198400, 200800, 248992, 257024, 311240, 321280, 389050, 396800, 401600, 497984, 622480, 642560, 778100, 793600, 803200, 995968, 1244960, 1285120, 1556200, 1606400, 1991936, 2489920, 3112400, 3212800, 3983872, 4979840, 6224800, 6425600, 7967744, 9959680, 12449600, 19919360, 24899200, 39838720, 49798400, 99596800, 199193600]

約数ペア:

[(1, 199193600), (2, 99596800), (4, 49798400), (5, 39838720), (8, 24899200), (10, 19919360), (16, 12449600), (20, 9959680), (25, 7967744), (31, 6425600), (32, 6224800), (40, 4979840), (50, 3983872), (62, 3212800), (64, 3112400), (80, 2489920), (100, 1991936), (124, 1606400), (128, 1556200), (155, 1285120), (160, 1244960), (200, 995968), (248, 803200), (251, 793600), (256, 778100), (310, 642560), (320, 622480), (400, 497984), (496, 401600), (502, 396800), (512, 389050), (620, 321280), (640, 311240), (775, 257024), (800, 248992), (992, 200800), (1004, 198400), (1024, 194525), (1240, 160640), (1255, 158720), (1280, 155620), (1550, 128512), (1600, 124496), (1984, 100400), (2008, 99200), (2480, 80320), (2510, 79360), (2560, 77810), (3100, 64256), (3200, 62248), (3968, 50200), (4016, 49600), (4960, 40160), (5020, 39680), (5120, 38905), (6200, 32128), (6275, 31744), (6400, 31124), (7781, 25600), (7936, 25100), (8032, 24800), (9920, 20080), (10040, 19840), (12400, 16064), (12550, 15872), (12800, 15562)]