398273640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{3318947}}^1$

素因数の和:3318961

約数の個数: 32

約数和(自身を含む): 1194821280

約数和(自身を除く): 796547640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 3318947, 6637894, 9956841, 13275788, 16594735, 19913682, 26551576, 33189470, 39827364, 49784205, 66378940, 79654728, 99568410, 132757880, 199136820, 398273640]

約数ペア:

[(1, 398273640), (2, 199136820), (3, 132757880), (4, 99568410), (5, 79654728), (6, 66378940), (8, 49784205), (10, 39827364), (12, 33189470), (15, 26551576), (20, 19913682), (24, 16594735), (30, 13275788), (40, 9956841), (60, 6637894), (120, 3318947)]