138280975

素因数分解:

$5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{877}}^1$

素因数の和:964

約数の個数: 48

約数和(自身を含む): 211647168

約数和(自身を除く): 73366193

約数列:

[1, 5, 7, 17, 25, 35, 53, 85, 119, 175, 265, 371, 425, 595, 877, 901, 1325, 1855, 2975, 4385, 4505, 6139, 6307, 9275, 14909, 21925, 22525, 30695, 31535, 46481, 74545, 104363, 153475, 157675, 232405, 325367, 372725, 521815, 790177, 1162025, 1626835, 2609075, 3950885, 5531239, 8134175, 19754425, 27656195, 138280975]

約数ペア:

[(1, 138280975), (5, 27656195), (7, 19754425), (17, 8134175), (25, 5531239), (35, 3950885), (53, 2609075), (85, 1626835), (119, 1162025), (175, 790177), (265, 521815), (371, 372725), (425, 325367), (595, 232405), (877, 157675), (901, 153475), (1325, 104363), (1855, 74545), (2975, 46481), (4385, 31535), (4505, 30695), (6139, 22525), (6307, 21925), (9275, 14909)]