156969820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{6481}}^1$

素因数の和:6670

約数の個数: 48

約数和(自身を含む): 378963648

約数和(自身を除く): 221993828

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 173, 346, 692, 865, 1211, 1730, 2422, 3460, 4844, 6055, 6481, 12110, 12962, 24220, 25924, 32405, 45367, 64810, 90734, 129620, 181468, 226835, 453670, 907340, 1121213, 2242426, 4484852, 5606065, 7848491, 11212130, 15696982, 22424260, 31393964, 39242455, 78484910, 156969820]

約数ペア:

[(1, 156969820), (2, 78484910), (4, 39242455), (5, 31393964), (7, 22424260), (10, 15696982), (14, 11212130), (20, 7848491), (28, 5606065), (35, 4484852), (70, 2242426), (140, 1121213), (173, 907340), (346, 453670), (692, 226835), (865, 181468), (1211, 129620), (1730, 90734), (2422, 64810), (3460, 45367), (4844, 32405), (6055, 25924), (6481, 24220), (12110, 12962)]