198985220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{683}}^1\times {\mathrm{2081}}^1$

素因数の和:2780

約数の個数: 48

約数和(自身を含む): 478493568

約数和(自身を除く): 279508348

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 683, 1366, 2081, 2732, 3415, 4162, 4781, 6830, 8324, 9562, 10405, 13660, 14567, 19124, 20810, 23905, 29134, 41620, 47810, 58268, 72835, 95620, 145670, 291340, 1421323, 2842646, 5685292, 7106615, 9949261, 14213230, 19898522, 28426460, 39797044, 49746305, 99492610, 198985220]

約数ペア:

[(1, 198985220), (2, 99492610), (4, 49746305), (5, 39797044), (7, 28426460), (10, 19898522), (14, 14213230), (20, 9949261), (28, 7106615), (35, 5685292), (70, 2842646), (140, 1421323), (683, 291340), (1366, 145670), (2081, 95620), (2732, 72835), (3415, 58268), (4162, 47810), (4781, 41620), (6830, 29134), (8324, 23905), (9562, 20810), (10405, 19124), (13660, 14567)]