139872920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{2287}}^1$

素因数の和:2448

約数の個数: 64

約数和(自身を含む): 345945600

約数和(自身を除く): 206072680

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 139, 220, 278, 440, 556, 695, 1112, 1390, 1529, 2287, 2780, 3058, 4574, 5560, 6116, 7645, 9148, 11435, 12232, 15290, 18296, 22870, 25157, 30580, 45740, 50314, 61160, 91480, 100628, 125785, 201256, 251570, 317893, 503140, 635786, 1006280, 1271572, 1589465, 2543144, 3178930, 3496823, 6357860, 6993646, 12715720, 13987292, 17484115, 27974584, 34968230, 69936460, 139872920]

約数ペア:

[(1, 139872920), (2, 69936460), (4, 34968230), (5, 27974584), (8, 17484115), (10, 13987292), (11, 12715720), (20, 6993646), (22, 6357860), (40, 3496823), (44, 3178930), (55, 2543144), (88, 1589465), (110, 1271572), (139, 1006280), (220, 635786), (278, 503140), (440, 317893), (556, 251570), (695, 201256), (1112, 125785), (1390, 100628), (1529, 91480), (2287, 61160), (2780, 50314), (3058, 45740), (4574, 30580), (5560, 25157), (6116, 22870), (7645, 18296), (9148, 15290), (11435, 12232)]