76141420

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1\times {\mathrm{449}}^1$

素因数の和:658

約数の個数: 48

約数和(自身を含む): 164052000

約数和(自身を除く): 87910580

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 139, 244, 278, 305, 449, 556, 610, 695, 898, 1220, 1390, 1796, 2245, 2780, 4490, 8479, 8980, 16958, 27389, 33916, 42395, 54778, 62411, 84790, 109556, 124822, 136945, 169580, 249644, 273890, 312055, 547780, 624110, 1248220, 3807071, 7614142, 15228284, 19035355, 38070710, 76141420]

約数ペア:

[(1, 76141420), (2, 38070710), (4, 19035355), (5, 15228284), (10, 7614142), (20, 3807071), (61, 1248220), (122, 624110), (139, 547780), (244, 312055), (278, 273890), (305, 249644), (449, 169580), (556, 136945), (610, 124822), (695, 109556), (898, 84790), (1220, 62411), (1390, 54778), (1796, 42395), (2245, 33916), (2780, 27389), (4490, 16958), (8479, 8980)]