188465240

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{66361}}^1$

素因数の和:66443

約数の個数: 32

約数和(自身を含む): 430025760

約数和(自身を除く): 241560520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 66361, 132722, 265444, 331805, 530888, 663610, 1327220, 2654440, 4711631, 9423262, 18846524, 23558155, 37693048, 47116310, 94232620, 188465240]

約数ペア:

[(1, 188465240), (2, 94232620), (4, 47116310), (5, 37693048), (8, 23558155), (10, 18846524), (20, 9423262), (40, 4711631), (71, 2654440), (142, 1327220), (284, 663610), (355, 530888), (568, 331805), (710, 265444), (1420, 132722), (2840, 66361)]