231644860

素因数分解:

$2^2\times 5^1\times {\mathrm{1487}}^1\times {\mathrm{7789}}^1$

素因数の和:9285

約数の個数: 24

約数和(自身を含む): 486843840

約数和(自身を除く): 255198980

約数列:

[1, 2, 4, 5, 10, 20, 1487, 2974, 5948, 7435, 7789, 14870, 15578, 29740, 31156, 38945, 77890, 155780, 11582243, 23164486, 46328972, 57911215, 115822430, 231644860]

約数ペア:

[(1, 231644860), (2, 115822430), (4, 57911215), (5, 46328972), (10, 23164486), (20, 11582243), (1487, 155780), (2974, 77890), (5948, 38945), (7435, 31156), (7789, 29740), (14870, 15578)]