402640990

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{23981}}^1$

素因数の和:24084

約数の個数: 32

約数和(自身を含む): 766656576

約数和(自身を除く): 364015586

約数列:

[1, 2, 5, 10, 23, 46, 73, 115, 146, 230, 365, 730, 1679, 3358, 8395, 16790, 23981, 47962, 119905, 239810, 551563, 1103126, 1750613, 2757815, 3501226, 5515630, 8753065, 17506130, 40264099, 80528198, 201320495, 402640990]

約数ペア:

[(1, 402640990), (2, 201320495), (5, 80528198), (10, 40264099), (23, 17506130), (46, 8753065), (73, 5515630), (115, 3501226), (146, 2757815), (230, 1750613), (365, 1103126), (730, 551563), (1679, 239810), (3358, 119905), (8395, 47962), (16790, 23981)]