71129740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1$

素因数の和:239

約数の個数: 96

約数和(自身を含む): 170666496

約数和(自身を除く): 99536756

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 43, 44, 55, 73, 86, 103, 110, 146, 172, 206, 215, 220, 292, 365, 412, 430, 473, 515, 730, 803, 860, 946, 1030, 1133, 1460, 1606, 1892, 2060, 2266, 2365, 3139, 3212, 4015, 4429, 4532, 4730, 5665, 6278, 7519, 8030, 8858, 9460, 11330, 12556, 15038, 15695, 16060, 17716, 22145, 22660, 30076, 31390, 34529, 37595, 44290, 48719, 62780, 69058, 75190, 82709, 88580, 97438, 138116, 150380, 165418, 172645, 194876, 243595, 323317, 330836, 345290, 413545, 487190, 646634, 690580, 827090, 974380, 1293268, 1616585, 1654180, 3233170, 3556487, 6466340, 7112974, 14225948, 17782435, 35564870, 71129740]

約数ペア:

[(1, 71129740), (2, 35564870), (4, 17782435), (5, 14225948), (10, 7112974), (11, 6466340), (20, 3556487), (22, 3233170), (43, 1654180), (44, 1616585), (55, 1293268), (73, 974380), (86, 827090), (103, 690580), (110, 646634), (146, 487190), (172, 413545), (206, 345290), (215, 330836), (220, 323317), (292, 243595), (365, 194876), (412, 172645), (430, 165418), (473, 150380), (515, 138116), (730, 97438), (803, 88580), (860, 82709), (946, 75190), (1030, 69058), (1133, 62780), (1460, 48719), (1606, 44290), (1892, 37595), (2060, 34529), (2266, 31390), (2365, 30076), (3139, 22660), (3212, 22145), (4015, 17716), (4429, 16060), (4532, 15695), (4730, 15038), (5665, 12556), (6278, 11330), (7519, 9460), (8030, 8858)]