223663930

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{456457}}^1$

素因数の和:456478

約数の個数: 24

約数和(自身を含む): 468325908

約数和(自身を除く): 244661978

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 456457, 912914, 2282285, 3195199, 4564570, 6390398, 15975995, 22366393, 31951990, 44732786, 111831965, 223663930]

約数ペア:

[(1, 223663930), (2, 111831965), (5, 44732786), (7, 31951990), (10, 22366393), (14, 15975995), (35, 6390398), (49, 4564570), (70, 3195199), (98, 2282285), (245, 912914), (490, 456457)]