420393800

素因数分解:

$2^3\times 5^2\times {\mathrm{43}}^1\times {\mathrm{48883}}^1$

素因数の和:48942

約数の個数: 48

約数和(自身を含む): 1000166640

約数和(自身を除く): 579772840

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 43, 50, 86, 100, 172, 200, 215, 344, 430, 860, 1075, 1720, 2150, 4300, 8600, 48883, 97766, 195532, 244415, 391064, 488830, 977660, 1222075, 1955320, 2101969, 2444150, 4203938, 4888300, 8407876, 9776600, 10509845, 16815752, 21019690, 42039380, 52549225, 84078760, 105098450, 210196900, 420393800]

約数ペア:

[(1, 420393800), (2, 210196900), (4, 105098450), (5, 84078760), (8, 52549225), (10, 42039380), (20, 21019690), (25, 16815752), (40, 10509845), (43, 9776600), (50, 8407876), (86, 4888300), (100, 4203938), (172, 2444150), (200, 2101969), (215, 1955320), (344, 1222075), (430, 977660), (860, 488830), (1075, 391064), (1720, 244415), (2150, 195532), (4300, 97766), (8600, 48883)]