71301140

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{269}}^1\times {\mathrm{457}}^1$

素因数の和:764

約数の個数: 48

約数和(自身を含む): 155811600

約数和(自身を除く): 84510460

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 269, 290, 457, 538, 580, 914, 1076, 1345, 1828, 2285, 2690, 4570, 5380, 7801, 9140, 13253, 15602, 26506, 31204, 39005, 53012, 66265, 78010, 122933, 132530, 156020, 245866, 265060, 491732, 614665, 1229330, 2458660, 3565057, 7130114, 14260228, 17825285, 35650570, 71301140]

約数ペア:

[(1, 71301140), (2, 35650570), (4, 17825285), (5, 14260228), (10, 7130114), (20, 3565057), (29, 2458660), (58, 1229330), (116, 614665), (145, 491732), (269, 265060), (290, 245866), (457, 156020), (538, 132530), (580, 122933), (914, 78010), (1076, 66265), (1345, 53012), (1828, 39005), (2285, 31204), (2690, 26506), (4570, 15602), (5380, 13253), (7801, 9140)]