8903020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{3347}}^1$

素因数の和:3382

約数の個数: 48

約数和(自身を含む): 22498560

約数和(自身を除く): 13595540

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 3347, 6694, 13388, 16735, 23429, 33470, 46858, 63593, 66940, 93716, 117145, 127186, 234290, 254372, 317965, 445151, 468580, 635930, 890302, 1271860, 1780604, 2225755, 4451510, 8903020]

約数ペア:

[(1, 8903020), (2, 4451510), (4, 2225755), (5, 1780604), (7, 1271860), (10, 890302), (14, 635930), (19, 468580), (20, 445151), (28, 317965), (35, 254372), (38, 234290), (70, 127186), (76, 117145), (95, 93716), (133, 66940), (140, 63593), (190, 46858), (266, 33470), (380, 23429), (532, 16735), (665, 13388), (1330, 6694), (2660, 3347)]