2007657620

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1\times {\mathrm{11839}}^1$

素因数の和:12048

約数の個数: 48

約数和(自身を含む): 4316390400

約数和(自身を除く): 2308732780

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 139, 244, 278, 305, 556, 610, 695, 1220, 1390, 2780, 8479, 11839, 16958, 23678, 33916, 42395, 47356, 59195, 84790, 118390, 169580, 236780, 722179, 1444358, 1645621, 2888716, 3291242, 3610895, 6582484, 7221790, 8228105, 14443580, 16456210, 32912420, 100382881, 200765762, 401531524, 501914405, 1003828810, 2007657620]

約数ペア:

[(1, 2007657620), (2, 1003828810), (4, 501914405), (5, 401531524), (10, 200765762), (20, 100382881), (61, 32912420), (122, 16456210), (139, 14443580), (244, 8228105), (278, 7221790), (305, 6582484), (556, 3610895), (610, 3291242), (695, 2888716), (1220, 1645621), (1390, 1444358), (2780, 722179), (8479, 236780), (11839, 169580), (16958, 118390), (23678, 84790), (33916, 59195), (42395, 47356)]