400591870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{133087}}^1$

素因数の和:133144

約数の個数: 32

約数和(自身を含む): 843245568

約数和(自身を除く): 442653698

約数列:

[1, 2, 5, 7, 10, 14, 35, 43, 70, 86, 215, 301, 430, 602, 1505, 3010, 133087, 266174, 665435, 931609, 1330870, 1863218, 4658045, 5722741, 9316090, 11445482, 28613705, 40059187, 57227410, 80118374, 200295935, 400591870]

約数ペア:

[(1, 400591870), (2, 200295935), (5, 80118374), (7, 57227410), (10, 40059187), (14, 28613705), (35, 11445482), (43, 9316090), (70, 5722741), (86, 4658045), (215, 1863218), (301, 1330870), (430, 931609), (602, 665435), (1505, 266174), (3010, 133087)]