3970820

素因数分解:

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

素因数の和:380

約数の個数: 48

約数和(自身を含む): 9652608

約数和(自身を除く): 5681788

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 113, 140, 226, 251, 452, 502, 565, 791, 1004, 1130, 1255, 1582, 1757, 2260, 2510, 3164, 3514, 3955, 5020, 7028, 7910, 8785, 15820, 17570, 28363, 35140, 56726, 113452, 141815, 198541, 283630, 397082, 567260, 794164, 992705, 1985410, 3970820]

約数ペア:

[(1, 3970820), (2, 1985410), (4, 992705), (5, 794164), (7, 567260), (10, 397082), (14, 283630), (20, 198541), (28, 141815), (35, 113452), (70, 56726), (113, 35140), (140, 28363), (226, 17570), (251, 15820), (452, 8785), (502, 7910), (565, 7028), (791, 5020), (1004, 3955), (1130, 3514), (1255, 3164), (1582, 2510), (1757, 2260)]