219209620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{12329}}^1$

素因数の和:12472

約数の個数: 48

約数和(自身を含む): 530288640

約数和(自身を除く): 311079020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 127, 140, 254, 508, 635, 889, 1270, 1778, 2540, 3556, 4445, 8890, 12329, 17780, 24658, 49316, 61645, 86303, 123290, 172606, 246580, 345212, 431515, 863030, 1565783, 1726060, 3131566, 6263132, 7828915, 10960481, 15657830, 21920962, 31315660, 43841924, 54802405, 109604810, 219209620]

約数ペア:

[(1, 219209620), (2, 109604810), (4, 54802405), (5, 43841924), (7, 31315660), (10, 21920962), (14, 15657830), (20, 10960481), (28, 7828915), (35, 6263132), (70, 3131566), (127, 1726060), (140, 1565783), (254, 863030), (508, 431515), (635, 345212), (889, 246580), (1270, 172606), (1778, 123290), (2540, 86303), (3556, 61645), (4445, 49316), (8890, 24658), (12329, 17780)]