198449600

素因数分解:

$2^6\times 5^2\times {\mathrm{31}}^1\times {\mathrm{4001}}^1$

素因数の和:4054

約数の個数: 84

約数和(自身を含む): 504187968

約数和(自身を除く): 305738368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 64, 80, 100, 124, 155, 160, 200, 248, 310, 320, 400, 496, 620, 775, 800, 992, 1240, 1550, 1600, 1984, 2480, 3100, 4001, 4960, 6200, 8002, 9920, 12400, 16004, 20005, 24800, 32008, 40010, 49600, 64016, 80020, 100025, 124031, 128032, 160040, 200050, 248062, 256064, 320080, 400100, 496124, 620155, 640160, 800200, 992248, 1240310, 1280320, 1600400, 1984496, 2480620, 3100775, 3200800, 3968992, 4961240, 6201550, 6401600, 7937984, 9922480, 12403100, 19844960, 24806200, 39689920, 49612400, 99224800, 198449600]

約数ペア:

[(1, 198449600), (2, 99224800), (4, 49612400), (5, 39689920), (8, 24806200), (10, 19844960), (16, 12403100), (20, 9922480), (25, 7937984), (31, 6401600), (32, 6201550), (40, 4961240), (50, 3968992), (62, 3200800), (64, 3100775), (80, 2480620), (100, 1984496), (124, 1600400), (155, 1280320), (160, 1240310), (200, 992248), (248, 800200), (310, 640160), (320, 620155), (400, 496124), (496, 400100), (620, 320080), (775, 256064), (800, 248062), (992, 200050), (1240, 160040), (1550, 128032), (1600, 124031), (1984, 100025), (2480, 80020), (3100, 64016), (4001, 49600), (4960, 40010), (6200, 32008), (8002, 24800), (9920, 20005), (12400, 16004)]