86903140

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{269}}^1\times {\mathrm{557}}^1$

素因数の和:864

約数の個数: 48

約数和(自身を含む): 189831600

約数和(自身を除く): 102928460

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 269, 290, 538, 557, 580, 1076, 1114, 1345, 2228, 2690, 2785, 5380, 5570, 7801, 11140, 15602, 16153, 31204, 32306, 39005, 64612, 78010, 80765, 149833, 156020, 161530, 299666, 323060, 599332, 749165, 1498330, 2996660, 4345157, 8690314, 17380628, 21725785, 43451570, 86903140]

約数ペア:

[(1, 86903140), (2, 43451570), (4, 21725785), (5, 17380628), (10, 8690314), (20, 4345157), (29, 2996660), (58, 1498330), (116, 749165), (145, 599332), (269, 323060), (290, 299666), (538, 161530), (557, 156020), (580, 149833), (1076, 80765), (1114, 78010), (1345, 64612), (2228, 39005), (2690, 32306), (2785, 31204), (5380, 16153), (5570, 15602), (7801, 11140)]