12278980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{229}}^1\times {\mathrm{383}}^1$

素因数の和:628

約数の個数: 48

約数和(自身を含む): 29675520

約数和(自身を除く): 17396540

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 229, 383, 458, 766, 916, 1145, 1532, 1603, 1915, 2290, 2681, 3206, 3830, 4580, 5362, 6412, 7660, 8015, 10724, 13405, 16030, 26810, 32060, 53620, 87707, 175414, 350828, 438535, 613949, 877070, 1227898, 1754140, 2455796, 3069745, 6139490, 12278980]

約数ペア:

[(1, 12278980), (2, 6139490), (4, 3069745), (5, 2455796), (7, 1754140), (10, 1227898), (14, 877070), (20, 613949), (28, 438535), (35, 350828), (70, 175414), (140, 87707), (229, 53620), (383, 32060), (458, 26810), (766, 16030), (916, 13405), (1145, 10724), (1532, 8015), (1603, 7660), (1915, 6412), (2290, 5362), (2681, 4580), (3206, 3830)]