1657441420

素因数分解:

$2^2\times 5^1\times {\mathrm{271}}^1\times {\mathrm{313}}^1\times {\mathrm{977}}^1$

素因数の和:1570

約数の個数: 48

約数和(自身を含む): 3508219008

約数和(自身を除く): 1850777588

約数列:

[1, 2, 4, 5, 10, 20, 271, 313, 542, 626, 977, 1084, 1252, 1355, 1565, 1954, 2710, 3130, 3908, 4885, 5420, 6260, 9770, 19540, 84823, 169646, 264767, 305801, 339292, 424115, 529534, 611602, 848230, 1059068, 1223204, 1323835, 1529005, 1696460, 2647670, 3058010, 5295340, 6116020, 82872071, 165744142, 331488284, 414360355, 828720710, 1657441420]

約数ペア:

[(1, 1657441420), (2, 828720710), (4, 414360355), (5, 331488284), (10, 165744142), (20, 82872071), (271, 6116020), (313, 5295340), (542, 3058010), (626, 2647670), (977, 1696460), (1084, 1529005), (1252, 1323835), (1355, 1223204), (1565, 1059068), (1954, 848230), (2710, 611602), (3130, 529534), (3908, 424115), (4885, 339292), (5420, 305801), (6260, 264767), (9770, 169646), (19540, 84823)]