28073220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{66841}}^1$

素因数の和:66860

約数の個数: 48

約数和(自身を含む): 89835648

約数和(自身を除く): 61762428

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 66841, 133682, 200523, 267364, 334205, 401046, 467887, 668410, 802092, 935774, 1002615, 1336820, 1403661, 1871548, 2005230, 2339435, 2807322, 4010460, 4678870, 5614644, 7018305, 9357740, 14036610, 28073220]

約数ペア:

[(1, 28073220), (2, 14036610), (3, 9357740), (4, 7018305), (5, 5614644), (6, 4678870), (7, 4010460), (10, 2807322), (12, 2339435), (14, 2005230), (15, 1871548), (20, 1403661), (21, 1336820), (28, 1002615), (30, 935774), (35, 802092), (42, 668410), (60, 467887), (70, 401046), (84, 334205), (105, 267364), (140, 200523), (210, 133682), (420, 66841)]