2045842820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{339841}}^1$

素因数の和:339900

約数の個数: 48

約数和(自身を含む): 5024224128

約数和(自身を除く): 2978381308

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 70, 86, 140, 172, 215, 301, 430, 602, 860, 1204, 1505, 3010, 6020, 339841, 679682, 1359364, 1699205, 2378887, 3398410, 4757774, 6796820, 9515548, 11894435, 14613163, 23788870, 29226326, 47577740, 58452652, 73065815, 102292141, 146131630, 204584282, 292263260, 409168564, 511460705, 1022921410, 2045842820]

約数ペア:

[(1, 2045842820), (2, 1022921410), (4, 511460705), (5, 409168564), (7, 292263260), (10, 204584282), (14, 146131630), (20, 102292141), (28, 73065815), (35, 58452652), (43, 47577740), (70, 29226326), (86, 23788870), (140, 14613163), (172, 11894435), (215, 9515548), (301, 6796820), (430, 4757774), (602, 3398410), (860, 2378887), (1204, 1699205), (1505, 1359364), (3010, 679682), (6020, 339841)]