399079870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{36313}}^1$

素因数の和:36484

約数の個数: 32

約数和(自身を含む): 826216128

約数和(自身を除く): 427136258

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 157, 314, 785, 1099, 1570, 2198, 5495, 10990, 36313, 72626, 181565, 254191, 363130, 508382, 1270955, 2541910, 5701141, 11402282, 28505705, 39907987, 57011410, 79815974, 199539935, 399079870]

約数ペア:

[(1, 399079870), (2, 199539935), (5, 79815974), (7, 57011410), (10, 39907987), (14, 28505705), (35, 11402282), (70, 5701141), (157, 2541910), (314, 1270955), (785, 508382), (1099, 363130), (1570, 254191), (2198, 181565), (5495, 72626), (10990, 36313)]