87508225

素因数分解:

$5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{401}}^1$

素因数の和:490

約数の個数: 48

約数和(自身を含む): 131598720

約数和(自身を除く): 44090495

約数列:

[1, 5, 7, 25, 29, 35, 43, 145, 175, 203, 215, 301, 401, 725, 1015, 1075, 1247, 1505, 2005, 2807, 5075, 6235, 7525, 8729, 10025, 11629, 14035, 17243, 31175, 43645, 58145, 70175, 81403, 86215, 120701, 218225, 290725, 407015, 431075, 500047, 603505, 2035075, 2500235, 3017525, 3500329, 12501175, 17501645, 87508225]

約数ペア:

[(1, 87508225), (5, 17501645), (7, 12501175), (25, 3500329), (29, 3017525), (35, 2500235), (43, 2035075), (145, 603505), (175, 500047), (203, 431075), (215, 407015), (301, 290725), (401, 218225), (725, 120701), (1015, 86215), (1075, 81403), (1247, 70175), (1505, 58145), (2005, 43645), (2807, 31175), (5075, 17243), (6235, 14035), (7525, 11629), (8729, 10025)]