290795428

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{85831}}^1$

素因数の和:85864

約数の個数: 36

約数和(自身を含む): 639276736

約数和(自身を除く): 348481308

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 121, 154, 242, 308, 484, 847, 1694, 3388, 85831, 171662, 343324, 600817, 944141, 1201634, 1888282, 2403268, 3776564, 6608987, 10385551, 13217974, 20771102, 26435948, 41542204, 72698857, 145397714, 290795428]

約数ペア:

[(1, 290795428), (2, 145397714), (4, 72698857), (7, 41542204), (11, 26435948), (14, 20771102), (22, 13217974), (28, 10385551), (44, 6608987), (77, 3776564), (121, 2403268), (154, 1888282), (242, 1201634), (308, 944141), (484, 600817), (847, 343324), (1694, 171662), (3388, 85831)]