853204220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{251}}^1\times {\mathrm{15451}}^1$

素因数の和:15722

約数の個数: 48

約数和(自身を含む): 1962527616

約数和(自身を除く): 1109323396

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 251, 502, 1004, 1255, 2510, 2761, 5020, 5522, 11044, 13805, 15451, 27610, 30902, 55220, 61804, 77255, 154510, 169961, 309020, 339922, 679844, 849805, 1699610, 3399220, 3878201, 7756402, 15512804, 19391005, 38782010, 42660211, 77564020, 85320422, 170640844, 213301055, 426602110, 853204220]

約数ペア:

[(1, 853204220), (2, 426602110), (4, 213301055), (5, 170640844), (10, 85320422), (11, 77564020), (20, 42660211), (22, 38782010), (44, 19391005), (55, 15512804), (110, 7756402), (220, 3878201), (251, 3399220), (502, 1699610), (1004, 849805), (1255, 679844), (2510, 339922), (2761, 309020), (5020, 169961), (5522, 154510), (11044, 77255), (13805, 61804), (15451, 55220), (27610, 30902)]