291948080

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{117721}}^1$

素因数の和:117765

約数の個数: 40

約数和(自身を含む): 700681344

約数和(自身を除く): 408733264

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 117721, 235442, 470884, 588605, 941768, 1177210, 1883536, 2354420, 3649351, 4708840, 7298702, 9417680, 14597404, 18246755, 29194808, 36493510, 58389616, 72987020, 145974040, 291948080]

約数ペア:

[(1, 291948080), (2, 145974040), (4, 72987020), (5, 58389616), (8, 36493510), (10, 29194808), (16, 18246755), (20, 14597404), (31, 9417680), (40, 7298702), (62, 4708840), (80, 3649351), (124, 2354420), (155, 1883536), (248, 1177210), (310, 941768), (496, 588605), (620, 470884), (1240, 235442), (2480, 117721)]