166301420

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{233}}^1\times {\mathrm{281}}^1$

素因数の和:650

約数の個数: 48

約数和(自身を含む): 354751488

約数和(自身を除く): 188450068

約数列:

[1, 2, 4, 5, 10, 20, 127, 233, 254, 281, 466, 508, 562, 635, 932, 1124, 1165, 1270, 1405, 2330, 2540, 2810, 4660, 5620, 29591, 35687, 59182, 65473, 71374, 118364, 130946, 142748, 147955, 178435, 261892, 295910, 327365, 356870, 591820, 654730, 713740, 1309460, 8315071, 16630142, 33260284, 41575355, 83150710, 166301420]

約数ペア:

[(1, 166301420), (2, 83150710), (4, 41575355), (5, 33260284), (10, 16630142), (20, 8315071), (127, 1309460), (233, 713740), (254, 654730), (281, 591820), (466, 356870), (508, 327365), (562, 295910), (635, 261892), (932, 178435), (1124, 147955), (1165, 142748), (1270, 130946), (1405, 118364), (2330, 71374), (2540, 65473), (2810, 59182), (4660, 35687), (5620, 29591)]