201057940

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{2333}}^1$

素因数の和:2512

約数の個数: 48

約数和(自身を含む): 439165440

約数和(自身を除く): 238107500

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 139, 155, 278, 310, 556, 620, 695, 1390, 2333, 2780, 4309, 4666, 8618, 9332, 11665, 17236, 21545, 23330, 43090, 46660, 72323, 86180, 144646, 289292, 324287, 361615, 648574, 723230, 1297148, 1446460, 1621435, 3242870, 6485740, 10052897, 20105794, 40211588, 50264485, 100528970, 201057940]

約数ペア:

[(1, 201057940), (2, 100528970), (4, 50264485), (5, 40211588), (10, 20105794), (20, 10052897), (31, 6485740), (62, 3242870), (124, 1621435), (139, 1446460), (155, 1297148), (278, 723230), (310, 648574), (556, 361615), (620, 324287), (695, 289292), (1390, 144646), (2333, 86180), (2780, 72323), (4309, 46660), (4666, 43090), (8618, 23330), (9332, 21545), (11665, 17236)]