231617980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{55411}}^1$

素因数の和:55450

約数の個数: 48

約数和(自身を含む): 558552960

約数和(自身を除く): 326934980

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 2090, 4180, 55411, 110822, 221644, 277055, 554110, 609521, 1052809, 1108220, 1219042, 2105618, 2438084, 3047605, 4211236, 5264045, 6095210, 10528090, 11580899, 12190420, 21056180, 23161798, 46323596, 57904495, 115808990, 231617980]

約数ペア:

[(1, 231617980), (2, 115808990), (4, 57904495), (5, 46323596), (10, 23161798), (11, 21056180), (19, 12190420), (20, 11580899), (22, 10528090), (38, 6095210), (44, 5264045), (55, 4211236), (76, 3047605), (95, 2438084), (110, 2105618), (190, 1219042), (209, 1108220), (220, 1052809), (380, 609521), (418, 554110), (836, 277055), (1045, 221644), (2090, 110822), (4180, 55411)]