90103160

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{45971}}^1$

素因数の和:45996

約数の個数: 48

約数和(自身を含む): 235836360

約数和(自身を除く): 145733200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 45971, 91942, 183884, 229855, 321797, 367768, 459710, 643594, 919420, 1287188, 1608985, 1838840, 2252579, 2574376, 3217970, 4505158, 6435940, 9010316, 11262895, 12871880, 18020632, 22525790, 45051580, 90103160]

約数ペア:

[(1, 90103160), (2, 45051580), (4, 22525790), (5, 18020632), (7, 12871880), (8, 11262895), (10, 9010316), (14, 6435940), (20, 4505158), (28, 3217970), (35, 2574376), (40, 2252579), (49, 1838840), (56, 1608985), (70, 1287188), (98, 919420), (140, 643594), (196, 459710), (245, 367768), (280, 321797), (392, 229855), (490, 183884), (980, 91942), (1960, 45971)]