153938620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{63611}}^1$

素因数の和:63642

約数の個数: 36

約数和(自身を含む): 355336632

約数和(自身を除く): 201398012

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 63611, 127222, 254444, 318055, 636110, 699721, 1272220, 1399442, 2798884, 3498605, 6997210, 7696931, 13994420, 15393862, 30787724, 38484655, 76969310, 153938620]

約数ペア:

[(1, 153938620), (2, 76969310), (4, 38484655), (5, 30787724), (10, 15393862), (11, 13994420), (20, 7696931), (22, 6997210), (44, 3498605), (55, 2798884), (110, 1399442), (121, 1272220), (220, 699721), (242, 636110), (484, 318055), (605, 254444), (1210, 127222), (2420, 63611)]