7941640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{251}}^1$

素因数の和:382

約数の個数: 64

約数和(自身を含む): 20684160

約数和(自身を除く): 12742520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 113, 140, 226, 251, 280, 452, 502, 565, 791, 904, 1004, 1130, 1255, 1582, 1757, 2008, 2260, 2510, 3164, 3514, 3955, 4520, 5020, 6328, 7028, 7910, 8785, 10040, 14056, 15820, 17570, 28363, 31640, 35140, 56726, 70280, 113452, 141815, 198541, 226904, 283630, 397082, 567260, 794164, 992705, 1134520, 1588328, 1985410, 3970820, 7941640]

約数ペア:

[(1, 7941640), (2, 3970820), (4, 1985410), (5, 1588328), (7, 1134520), (8, 992705), (10, 794164), (14, 567260), (20, 397082), (28, 283630), (35, 226904), (40, 198541), (56, 141815), (70, 113452), (113, 70280), (140, 56726), (226, 35140), (251, 31640), (280, 28363), (452, 17570), (502, 15820), (565, 14056), (791, 10040), (904, 8785), (1004, 7910), (1130, 7028), (1255, 6328), (1582, 5020), (1757, 4520), (2008, 3955), (2260, 3514), (2510, 3164)]