7486220

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{7639}}^1$

素因数の和:7662

約数の個数: 36

約数和(自身を含む): 18290160

約数和(自身を除く): 10803940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 7639, 15278, 30556, 38195, 53473, 76390, 106946, 152780, 213892, 267365, 374311, 534730, 748622, 1069460, 1497244, 1871555, 3743110, 7486220]

約数ペア:

[(1, 7486220), (2, 3743110), (4, 1871555), (5, 1497244), (7, 1069460), (10, 748622), (14, 534730), (20, 374311), (28, 267365), (35, 213892), (49, 152780), (70, 106946), (98, 76390), (140, 53473), (196, 38195), (245, 30556), (490, 15278), (980, 7639)]