128565710

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{20183}}^1$

素因数の和:20217

約数の個数: 48

約数和(自身を含む): 289922976

約数和(自身を除く): 161357266

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 49, 65, 70, 91, 98, 130, 182, 245, 455, 490, 637, 910, 1274, 3185, 6370, 20183, 40366, 100915, 141281, 201830, 262379, 282562, 524758, 706405, 988967, 1311895, 1412810, 1836653, 1977934, 2623790, 3673306, 4944835, 9183265, 9889670, 12856571, 18366530, 25713142, 64282855, 128565710]

約数ペア:

[(1, 128565710), (2, 64282855), (5, 25713142), (7, 18366530), (10, 12856571), (13, 9889670), (14, 9183265), (26, 4944835), (35, 3673306), (49, 2623790), (65, 1977934), (70, 1836653), (91, 1412810), (98, 1311895), (130, 988967), (182, 706405), (245, 524758), (455, 282562), (490, 262379), (637, 201830), (910, 141281), (1274, 100915), (3185, 40366), (6370, 20183)]