275020020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{138899}}^1$

素因数の和:138925

約数の個数: 72

約数和(自身を含む): 910072800

約数和(自身を除く): 635052780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 138899, 277798, 416697, 555596, 694495, 833394, 1250091, 1388990, 1527889, 1666788, 2083485, 2500182, 2777980, 3055778, 4166970, 4583667, 5000364, 6111556, 6250455, 7639445, 8333940, 9167334, 12500910, 13751001, 15278890, 18334668, 22918335, 25001820, 27502002, 30557780, 45836670, 55004004, 68755005, 91673340, 137510010, 275020020]

約数ペア:

[(1, 275020020), (2, 137510010), (3, 91673340), (4, 68755005), (5, 55004004), (6, 45836670), (9, 30557780), (10, 27502002), (11, 25001820), (12, 22918335), (15, 18334668), (18, 15278890), (20, 13751001), (22, 12500910), (30, 9167334), (33, 8333940), (36, 7639445), (44, 6250455), (45, 6111556), (55, 5000364), (60, 4583667), (66, 4166970), (90, 3055778), (99, 2777980), (110, 2500182), (132, 2083485), (165, 1666788), (180, 1527889), (198, 1388990), (220, 1250091), (330, 833394), (396, 694495), (495, 555596), (660, 416697), (990, 277798), (1980, 138899)]