69704860

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{157}}^1\times {\mathrm{281}}^1$

素因数の和:526

約数の個数: 48

約数和(自身を含む): 149708160

約数和(自身を除く): 80003300

約数列:

[1, 2, 4, 5, 10, 20, 79, 157, 158, 281, 314, 316, 395, 562, 628, 785, 790, 1124, 1405, 1570, 1580, 2810, 3140, 5620, 12403, 22199, 24806, 44117, 44398, 49612, 62015, 88234, 88796, 110995, 124030, 176468, 220585, 221990, 248060, 441170, 443980, 882340, 3485243, 6970486, 13940972, 17426215, 34852430, 69704860]

約数ペア:

[(1, 69704860), (2, 34852430), (4, 17426215), (5, 13940972), (10, 6970486), (20, 3485243), (79, 882340), (157, 443980), (158, 441170), (281, 248060), (314, 221990), (316, 220585), (395, 176468), (562, 124030), (628, 110995), (785, 88796), (790, 88234), (1124, 62015), (1405, 49612), (1570, 44398), (1580, 44117), (2810, 24806), (3140, 22199), (5620, 12403)]