149697040

素因数分解:

$2^4\times 5^1\times {\mathrm{1871213}}^1$

素因数の和:1871226

約数の個数: 20

約数和(自身を含む): 348045804

約数和(自身を除く): 198348764

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1871213, 3742426, 7484852, 9356065, 14969704, 18712130, 29939408, 37424260, 74848520, 149697040]

約数ペア:

[(1, 149697040), (2, 74848520), (4, 37424260), (5, 29939408), (8, 18712130), (10, 14969704), (16, 9356065), (20, 7484852), (40, 3742426), (80, 1871213)]