256423930

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{3663199}}^1$

素因数の和:3663213

約数の個数: 16

約数和(自身を含む): 527500800

約数和(自身を除く): 271076870

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 3663199, 7326398, 18315995, 25642393, 36631990, 51284786, 128211965, 256423930]

約数ペア:

[(1, 256423930), (2, 128211965), (5, 51284786), (7, 36631990), (10, 25642393), (14, 18315995), (35, 7326398), (70, 3663199)]