402158210

素因数分解:

$2^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{306991}}^1$

素因数の和:307129

約数の個数: 16

約数和(自身を含む): 729412992

約数和(自身を除く): 327254782

約数列:

[1, 2, 5, 10, 131, 262, 655, 1310, 306991, 613982, 1534955, 3069910, 40215821, 80431642, 201079105, 402158210]

約数ペア:

[(1, 402158210), (2, 201079105), (5, 80431642), (10, 40215821), (131, 3069910), (262, 1534955), (655, 613982), (1310, 306991)]