372040

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1$

素因数の和:213

約数の個数: 32

約数和(自身を含む): 855360

約数和(自身を除く): 483320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 131, 142, 262, 284, 355, 524, 568, 655, 710, 1048, 1310, 1420, 2620, 2840, 5240, 9301, 18602, 37204, 46505, 74408, 93010, 186020, 372040]

約数ペア:

[(1, 372040), (2, 186020), (4, 93010), (5, 74408), (8, 46505), (10, 37204), (20, 18602), (40, 9301), (71, 5240), (131, 2840), (142, 2620), (262, 1420), (284, 1310), (355, 1048), (524, 710), (568, 655)]