181559420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{263}}^1\times {\mathrm{4931}}^1$

素因数の和:5210

約数の個数: 48

約数和(自身を含む): 437488128

約数和(自身を除く): 255928708

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 263, 526, 1052, 1315, 1841, 2630, 3682, 4931, 5260, 7364, 9205, 9862, 18410, 19724, 24655, 34517, 36820, 49310, 69034, 98620, 138068, 172585, 345170, 690340, 1296853, 2593706, 5187412, 6484265, 9077971, 12968530, 18155942, 25937060, 36311884, 45389855, 90779710, 181559420]

約数ペア:

[(1, 181559420), (2, 90779710), (4, 45389855), (5, 36311884), (7, 25937060), (10, 18155942), (14, 12968530), (20, 9077971), (28, 6484265), (35, 5187412), (70, 2593706), (140, 1296853), (263, 690340), (526, 345170), (1052, 172585), (1315, 138068), (1841, 98620), (2630, 69034), (3682, 49310), (4931, 36820), (5260, 34517), (7364, 24655), (9205, 19724), (9862, 18410)]