153985580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{25579}}^1$

素因数の和:25638

約数の個数: 48

約数和(自身を含む): 378174720

約数和(自身を除く): 224189140

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 70, 86, 140, 172, 215, 301, 430, 602, 860, 1204, 1505, 3010, 6020, 25579, 51158, 102316, 127895, 179053, 255790, 358106, 511580, 716212, 895265, 1099897, 1790530, 2199794, 3581060, 4399588, 5499485, 7699279, 10998970, 15398558, 21997940, 30797116, 38496395, 76992790, 153985580]

約数ペア:

[(1, 153985580), (2, 76992790), (4, 38496395), (5, 30797116), (7, 21997940), (10, 15398558), (14, 10998970), (20, 7699279), (28, 5499485), (35, 4399588), (43, 3581060), (70, 2199794), (86, 1790530), (140, 1099897), (172, 895265), (215, 716212), (301, 511580), (430, 358106), (602, 255790), (860, 179053), (1204, 127895), (1505, 102316), (3010, 51158), (6020, 25579)]