128365580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{24781}}^1$

素因数の和:24834

約数の個数: 48

約数和(自身を含む): 316416576

約数和(自身を除く): 188050996

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 140, 148, 185, 259, 370, 518, 740, 1036, 1295, 2590, 5180, 24781, 49562, 99124, 123905, 173467, 247810, 346934, 495620, 693868, 867335, 916897, 1734670, 1833794, 3469340, 3667588, 4584485, 6418279, 9168970, 12836558, 18337940, 25673116, 32091395, 64182790, 128365580]

約数ペア:

[(1, 128365580), (2, 64182790), (4, 32091395), (5, 25673116), (7, 18337940), (10, 12836558), (14, 9168970), (20, 6418279), (28, 4584485), (35, 3667588), (37, 3469340), (70, 1833794), (74, 1734670), (140, 916897), (148, 867335), (185, 693868), (259, 495620), (370, 346934), (518, 247810), (740, 173467), (1036, 123905), (1295, 99124), (2590, 49562), (5180, 24781)]