2013990460

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1\times {\mathrm{13669}}^1$

素因数の和:13870

約数の個数: 48

約数和(自身を含む): 4340498400

約数和(自身を除く): 2326507940

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 139, 212, 265, 278, 530, 556, 695, 1060, 1390, 2780, 7367, 13669, 14734, 27338, 29468, 36835, 54676, 68345, 73670, 136690, 147340, 273380, 724457, 1448914, 1899991, 2897828, 3622285, 3799982, 7244570, 7599964, 9499955, 14489140, 18999910, 37999820, 100699523, 201399046, 402798092, 503497615, 1006995230, 2013990460]

約数ペア:

[(1, 2013990460), (2, 1006995230), (4, 503497615), (5, 402798092), (10, 201399046), (20, 100699523), (53, 37999820), (106, 18999910), (139, 14489140), (212, 9499955), (265, 7599964), (278, 7244570), (530, 3799982), (556, 3622285), (695, 2897828), (1060, 1899991), (1390, 1448914), (2780, 724457), (7367, 273380), (13669, 147340), (14734, 136690), (27338, 73670), (29468, 68345), (36835, 54676)]