640713430

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{9153049}}^1$

素因数の和:9153063

約数の個数: 16

約数和(自身を含む): 1318039200

約数和(自身を除く): 677325770

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 9153049, 18306098, 45765245, 64071343, 91530490, 128142686, 320356715, 640713430]

約数ペア:

[(1, 640713430), (2, 320356715), (5, 128142686), (7, 91530490), (10, 64071343), (14, 45765245), (35, 18306098), (70, 9153049)]