213108140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1522201}}^1$

素因数の和:1522217

約数の個数: 24

約数和(自身を含む): 511459872

約数和(自身を除く): 298351732

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1522201, 3044402, 6088804, 7611005, 10655407, 15222010, 21310814, 30444020, 42621628, 53277035, 106554070, 213108140]

約数ペア:

[(1, 213108140), (2, 106554070), (4, 53277035), (5, 42621628), (7, 30444020), (10, 21310814), (14, 15222010), (20, 10655407), (28, 7611005), (35, 6088804), (70, 3044402), (140, 1522201)]