84907480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{4271}}^1$

素因数の和:4360

約数の個数: 64

約数和(自身を含む): 221460480

約数和(自身を除く): 136553000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 71, 140, 142, 280, 284, 355, 497, 568, 710, 994, 1420, 1988, 2485, 2840, 3976, 4271, 4970, 8542, 9940, 17084, 19880, 21355, 29897, 34168, 42710, 59794, 85420, 119588, 149485, 170840, 239176, 298970, 303241, 597940, 606482, 1195880, 1212964, 1516205, 2122687, 2425928, 3032410, 4245374, 6064820, 8490748, 10613435, 12129640, 16981496, 21226870, 42453740, 84907480]

約数ペア:

[(1, 84907480), (2, 42453740), (4, 21226870), (5, 16981496), (7, 12129640), (8, 10613435), (10, 8490748), (14, 6064820), (20, 4245374), (28, 3032410), (35, 2425928), (40, 2122687), (56, 1516205), (70, 1212964), (71, 1195880), (140, 606482), (142, 597940), (280, 303241), (284, 298970), (355, 239176), (497, 170840), (568, 149485), (710, 119588), (994, 85420), (1420, 59794), (1988, 42710), (2485, 34168), (2840, 29897), (3976, 21355), (4271, 19880), (4970, 17084), (8542, 9940)]