505744570

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{199}}^1\times {\mathrm{3217}}^1$

素因数の和:3502

約数の個数: 32

約数和(自身を含む): 926784000

約数和(自身を除く): 421039430

約数列:

[1, 2, 5, 10, 79, 158, 199, 395, 398, 790, 995, 1990, 3217, 6434, 15721, 16085, 31442, 32170, 78605, 157210, 254143, 508286, 640183, 1270715, 1280366, 2541430, 3200915, 6401830, 50574457, 101148914, 252872285, 505744570]

約数ペア:

[(1, 505744570), (2, 252872285), (5, 101148914), (10, 50574457), (79, 6401830), (158, 3200915), (199, 2541430), (395, 1280366), (398, 1270715), (790, 640183), (995, 508286), (1990, 254143), (3217, 157210), (6434, 78605), (15721, 32170), (16085, 31442)]