3145240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{239}}^1$

素因数の和:304

約数の個数: 64

約数和(自身を含む): 8294400

約数和(自身を除く): 5149160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 47, 56, 70, 94, 140, 188, 235, 239, 280, 329, 376, 470, 478, 658, 940, 956, 1195, 1316, 1645, 1673, 1880, 1912, 2390, 2632, 3290, 3346, 4780, 6580, 6692, 8365, 9560, 11233, 13160, 13384, 16730, 22466, 33460, 44932, 56165, 66920, 78631, 89864, 112330, 157262, 224660, 314524, 393155, 449320, 629048, 786310, 1572620, 3145240]

約数ペア:

[(1, 3145240), (2, 1572620), (4, 786310), (5, 629048), (7, 449320), (8, 393155), (10, 314524), (14, 224660), (20, 157262), (28, 112330), (35, 89864), (40, 78631), (47, 66920), (56, 56165), (70, 44932), (94, 33460), (140, 22466), (188, 16730), (235, 13384), (239, 13160), (280, 11233), (329, 9560), (376, 8365), (470, 6692), (478, 6580), (658, 4780), (940, 3346), (956, 3290), (1195, 2632), (1316, 2390), (1645, 1912), (1673, 1880)]