7504420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{443}}^1$

素因数の和:481

約数の個数: 72

約数和(自身を含む): 19841472

約数和(自身を除く): 12337052

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 121, 140, 154, 220, 242, 308, 385, 443, 484, 605, 770, 847, 886, 1210, 1540, 1694, 1772, 2215, 2420, 3101, 3388, 4235, 4430, 4873, 6202, 8470, 8860, 9746, 12404, 15505, 16940, 19492, 24365, 31010, 34111, 48730, 53603, 62020, 68222, 97460, 107206, 136444, 170555, 214412, 268015, 341110, 375221, 536030, 682220, 750442, 1072060, 1500884, 1876105, 3752210, 7504420]

約数ペア:

[(1, 7504420), (2, 3752210), (4, 1876105), (5, 1500884), (7, 1072060), (10, 750442), (11, 682220), (14, 536030), (20, 375221), (22, 341110), (28, 268015), (35, 214412), (44, 170555), (55, 136444), (70, 107206), (77, 97460), (110, 68222), (121, 62020), (140, 53603), (154, 48730), (220, 34111), (242, 31010), (308, 24365), (385, 19492), (443, 16940), (484, 15505), (605, 12404), (770, 9746), (847, 8860), (886, 8470), (1210, 6202), (1540, 4873), (1694, 4430), (1772, 4235), (2215, 3388), (2420, 3101)]