17131940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{1549}}^1$

素因数の和:1644

約数の個数: 48

約数和(自身を含む): 41664000

約数和(自身を除く): 24532060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 79, 140, 158, 316, 395, 553, 790, 1106, 1549, 1580, 2212, 2765, 3098, 5530, 6196, 7745, 10843, 11060, 15490, 21686, 30980, 43372, 54215, 108430, 122371, 216860, 244742, 489484, 611855, 856597, 1223710, 1713194, 2447420, 3426388, 4282985, 8565970, 17131940]

約数ペア:

[(1, 17131940), (2, 8565970), (4, 4282985), (5, 3426388), (7, 2447420), (10, 1713194), (14, 1223710), (20, 856597), (28, 611855), (35, 489484), (70, 244742), (79, 216860), (140, 122371), (158, 108430), (316, 54215), (395, 43372), (553, 30980), (790, 21686), (1106, 15490), (1549, 11060), (1580, 10843), (2212, 7745), (2765, 6196), (3098, 5530)]