57176260

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1\times {\mathrm{157}}^1$

素因数の和:436

約数の個数: 48

約数和(自身を含む): 122633280

約数和(自身を除く): 65457020

約数列:

[1, 2, 4, 5, 10, 20, 131, 139, 157, 262, 278, 314, 524, 556, 628, 655, 695, 785, 1310, 1390, 1570, 2620, 2780, 3140, 18209, 20567, 21823, 36418, 41134, 43646, 72836, 82268, 87292, 91045, 102835, 109115, 182090, 205670, 218230, 364180, 411340, 436460, 2858813, 5717626, 11435252, 14294065, 28588130, 57176260]

約数ペア:

[(1, 57176260), (2, 28588130), (4, 14294065), (5, 11435252), (10, 5717626), (20, 2858813), (131, 436460), (139, 411340), (157, 364180), (262, 218230), (278, 205670), (314, 182090), (524, 109115), (556, 102835), (628, 91045), (655, 87292), (695, 82268), (785, 72836), (1310, 43646), (1390, 41134), (1570, 36418), (2620, 21823), (2780, 20567), (3140, 18209)]