520075325

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1$

素因数の和:235

約数の個数: 96

約数和(自身を含む): 844326912

約数和(自身を除く): 324251587

約数列:

[1, 5, 7, 11, 25, 35, 43, 55, 61, 77, 103, 175, 215, 275, 301, 305, 385, 427, 473, 515, 671, 721, 1075, 1133, 1505, 1525, 1925, 2135, 2365, 2575, 2623, 3311, 3355, 3605, 4429, 4697, 5665, 6283, 7525, 7931, 10675, 11825, 13115, 16555, 16775, 18025, 18361, 22145, 23485, 28325, 28853, 31003, 31415, 39655, 43981, 48719, 65575, 69113, 82775, 91805, 110725, 117425, 144265, 155015, 157075, 198275, 201971, 219905, 243595, 270169, 341033, 345565, 459025, 483791, 721325, 775075, 1009855, 1099525, 1217975, 1350845, 1705165, 1727825, 1891183, 2418955, 2971859, 5049275, 6754225, 8525825, 9455915, 12094775, 14859295, 20803013, 47279575, 74296475, 104015065, 520075325]

約数ペア:

[(1, 520075325), (5, 104015065), (7, 74296475), (11, 47279575), (25, 20803013), (35, 14859295), (43, 12094775), (55, 9455915), (61, 8525825), (77, 6754225), (103, 5049275), (175, 2971859), (215, 2418955), (275, 1891183), (301, 1727825), (305, 1705165), (385, 1350845), (427, 1217975), (473, 1099525), (515, 1009855), (671, 775075), (721, 721325), (1075, 483791), (1133, 459025), (1505, 345565), (1525, 341033), (1925, 270169), (2135, 243595), (2365, 219905), (2575, 201971), (2623, 198275), (3311, 157075), (3355, 155015), (3605, 144265), (4429, 117425), (4697, 110725), (5665, 91805), (6283, 82775), (7525, 69113), (7931, 65575), (10675, 48719), (11825, 43981), (13115, 39655), (16555, 31415), (16775, 31003), (18025, 28853), (18361, 28325), (22145, 23485)]