221492940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{3691549}}^1$

素因数の和:3691561

約数の個数: 24

約数和(自身を含む): 620180400

約数和(自身を除く): 398687460

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 3691549, 7383098, 11074647, 14766196, 18457745, 22149294, 36915490, 44298588, 55373235, 73830980, 110746470, 221492940]

約数ペア:

[(1, 221492940), (2, 110746470), (3, 73830980), (4, 55373235), (5, 44298588), (6, 36915490), (10, 22149294), (12, 18457745), (15, 14766196), (20, 11074647), (30, 7383098), (60, 3691549)]