858643060

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{205417}}^1$

素因数の和:205456

約数の個数: 48

約数和(自身を含む): 2070613440

約数和(自身を除く): 1211970380

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 2090, 4180, 205417, 410834, 821668, 1027085, 2054170, 2259587, 3902923, 4108340, 4519174, 7805846, 9038348, 11297935, 15611692, 19514615, 22595870, 39029230, 42932153, 45191740, 78058460, 85864306, 171728612, 214660765, 429321530, 858643060]

約数ペア:

[(1, 858643060), (2, 429321530), (4, 214660765), (5, 171728612), (10, 85864306), (11, 78058460), (19, 45191740), (20, 42932153), (22, 39029230), (38, 22595870), (44, 19514615), (55, 15611692), (76, 11297935), (95, 9038348), (110, 7805846), (190, 4519174), (209, 4108340), (220, 3902923), (380, 2259587), (418, 2054170), (836, 1027085), (1045, 821668), (2090, 410834), (4180, 205417)]