252196280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{900701}}^1$

素因数の和:900719

約数の個数: 32

約数和(自身を含む): 648505440

約数和(自身を除く): 396309160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 900701, 1801402, 3602804, 4503505, 6304907, 7205608, 9007010, 12609814, 18014020, 25219628, 31524535, 36028040, 50439256, 63049070, 126098140, 252196280]

約数ペア:

[(1, 252196280), (2, 126098140), (4, 63049070), (5, 50439256), (7, 36028040), (8, 31524535), (10, 25219628), (14, 18014020), (20, 12609814), (28, 9007010), (35, 7205608), (40, 6304907), (56, 4503505), (70, 3602804), (140, 1801402), (280, 900701)]