394955890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{5642227}}^1$

素因数の和:5642241

約数の個数: 16

約数和(自身を含む): 812480832

約数和(自身を除く): 417524942

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 5642227, 11284454, 28211135, 39495589, 56422270, 78991178, 197477945, 394955890]

約数ペア:

[(1, 394955890), (2, 197477945), (5, 78991178), (7, 56422270), (10, 39495589), (14, 28211135), (35, 11284454), (70, 5642227)]