3998470

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{239}}^2$

素因数の和:492

約数の個数: 24

約数和(自身を含む): 8259984

約数和(自身を除く): 4261514

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 239, 478, 1195, 1673, 2390, 3346, 8365, 16730, 57121, 114242, 285605, 399847, 571210, 799694, 1999235, 3998470]

約数ペア:

[(1, 3998470), (2, 1999235), (5, 799694), (7, 571210), (10, 399847), (14, 285605), (35, 114242), (70, 57121), (239, 16730), (478, 8365), (1195, 3346), (1673, 2390)]