69847540

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{263}}^1\times {\mathrm{271}}^1$

素因数の和:557

約数の個数: 72

約数和(自身を含む): 171908352

約数和(自身を除く): 102060812

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 263, 271, 490, 526, 542, 980, 1052, 1084, 1315, 1355, 1841, 1897, 2630, 2710, 3682, 3794, 5260, 5420, 7364, 7588, 9205, 9485, 12887, 13279, 18410, 18970, 25774, 26558, 36820, 37940, 51548, 53116, 64435, 66395, 71273, 128870, 132790, 142546, 257740, 265580, 285092, 356365, 498911, 712730, 997822, 1425460, 1995644, 2494555, 3492377, 4989110, 6984754, 9978220, 13969508, 17461885, 34923770, 69847540]

約数ペア:

[(1, 69847540), (2, 34923770), (4, 17461885), (5, 13969508), (7, 9978220), (10, 6984754), (14, 4989110), (20, 3492377), (28, 2494555), (35, 1995644), (49, 1425460), (70, 997822), (98, 712730), (140, 498911), (196, 356365), (245, 285092), (263, 265580), (271, 257740), (490, 142546), (526, 132790), (542, 128870), (980, 71273), (1052, 66395), (1084, 64435), (1315, 53116), (1355, 51548), (1841, 37940), (1897, 36820), (2630, 26558), (2710, 25774), (3682, 18970), (3794, 18410), (5260, 13279), (5420, 12887), (7364, 9485), (7588, 9205)]