213729560

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{44159}}^1$

素因数の和:44192

約数の個数: 48

約数和(自身を含む): 528595200

約数和(自身を除く): 314865640

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 440, 484, 605, 968, 1210, 2420, 4840, 44159, 88318, 176636, 220795, 353272, 441590, 485749, 883180, 971498, 1766360, 1942996, 2428745, 3885992, 4857490, 5343239, 9714980, 10686478, 19429960, 21372956, 26716195, 42745912, 53432390, 106864780, 213729560]

約数ペア:

[(1, 213729560), (2, 106864780), (4, 53432390), (5, 42745912), (8, 26716195), (10, 21372956), (11, 19429960), (20, 10686478), (22, 9714980), (40, 5343239), (44, 4857490), (55, 3885992), (88, 2428745), (110, 1942996), (121, 1766360), (220, 971498), (242, 883180), (440, 485749), (484, 441590), (605, 353272), (968, 220795), (1210, 176636), (2420, 88318), (4840, 44159)]