164539060

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{379}}^1\times {\mathrm{443}}^1$

素因数の和:845

約数の個数: 72

約数和(自身を含む): 403915680

約数和(自身を除く): 239376620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 379, 443, 490, 758, 886, 980, 1516, 1772, 1895, 2215, 2653, 3101, 3790, 4430, 5306, 6202, 7580, 8860, 10612, 12404, 13265, 15505, 18571, 21707, 26530, 31010, 37142, 43414, 53060, 62020, 74284, 86828, 92855, 108535, 167897, 185710, 217070, 335794, 371420, 434140, 671588, 839485, 1175279, 1678970, 2350558, 3357940, 4701116, 5876395, 8226953, 11752790, 16453906, 23505580, 32907812, 41134765, 82269530, 164539060]

約数ペア:

[(1, 164539060), (2, 82269530), (4, 41134765), (5, 32907812), (7, 23505580), (10, 16453906), (14, 11752790), (20, 8226953), (28, 5876395), (35, 4701116), (49, 3357940), (70, 2350558), (98, 1678970), (140, 1175279), (196, 839485), (245, 671588), (379, 434140), (443, 371420), (490, 335794), (758, 217070), (886, 185710), (980, 167897), (1516, 108535), (1772, 92855), (1895, 86828), (2215, 74284), (2653, 62020), (3101, 53060), (3790, 43414), (4430, 37142), (5306, 31010), (6202, 26530), (7580, 21707), (8860, 18571), (10612, 15505), (12404, 13265)]