155260220

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{55849}}^1$

素因数の和:55997

約数の個数: 24

約数和(自身を含む): 328398000

約数和(自身を除く): 173137780

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 55849, 111698, 223396, 279245, 558490, 1116980, 7763011, 15526022, 31052044, 38815055, 77630110, 155260220]

約数ペア:

[(1, 155260220), (2, 77630110), (4, 38815055), (5, 31052044), (10, 15526022), (20, 7763011), (139, 1116980), (278, 558490), (556, 279245), (695, 223396), (1390, 111698), (2780, 55849)]