112884680

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1\times {\mathrm{257}}^1$

素因数の和:486

約数の個数: 64

約数和(自身を含む): 260064000

約数和(自身を除く): 147179320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 139, 158, 257, 278, 316, 395, 514, 556, 632, 695, 790, 1028, 1112, 1285, 1390, 1580, 2056, 2570, 2780, 3160, 5140, 5560, 10280, 10981, 20303, 21962, 35723, 40606, 43924, 54905, 71446, 81212, 87848, 101515, 109810, 142892, 162424, 178615, 203030, 219620, 285784, 357230, 406060, 439240, 714460, 812120, 1428920, 2822117, 5644234, 11288468, 14110585, 22576936, 28221170, 56442340, 112884680]

約数ペア:

[(1, 112884680), (2, 56442340), (4, 28221170), (5, 22576936), (8, 14110585), (10, 11288468), (20, 5644234), (40, 2822117), (79, 1428920), (139, 812120), (158, 714460), (257, 439240), (278, 406060), (316, 357230), (395, 285784), (514, 219620), (556, 203030), (632, 178615), (695, 162424), (790, 142892), (1028, 109810), (1112, 101515), (1285, 87848), (1390, 81212), (1580, 71446), (2056, 54905), (2570, 43924), (2780, 40606), (3160, 35723), (5140, 21962), (5560, 20303), (10280, 10981)]