231460

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1$

素因数の和:243

約数の個数: 24

約数和(自身を含む): 495936

約数和(自身を除く): 264476

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 163, 284, 326, 355, 652, 710, 815, 1420, 1630, 3260, 11573, 23146, 46292, 57865, 115730, 231460]

約数ペア:

[(1, 231460), (2, 115730), (4, 57865), (5, 46292), (10, 23146), (20, 11573), (71, 3260), (142, 1630), (163, 1420), (284, 815), (326, 710), (355, 652)]