203428040

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{1117}}^1$

素因数の和:1314

約数の個数: 64

約数和(自身を含む): 476938800

約数和(自身を除く): 273510760

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 157, 232, 290, 314, 580, 628, 785, 1117, 1160, 1256, 1570, 2234, 3140, 4468, 4553, 5585, 6280, 8936, 9106, 11170, 18212, 22340, 22765, 32393, 36424, 44680, 45530, 64786, 91060, 129572, 161965, 175369, 182120, 259144, 323930, 350738, 647860, 701476, 876845, 1295720, 1402952, 1753690, 3507380, 5085701, 7014760, 10171402, 20342804, 25428505, 40685608, 50857010, 101714020, 203428040]

約数ペア:

[(1, 203428040), (2, 101714020), (4, 50857010), (5, 40685608), (8, 25428505), (10, 20342804), (20, 10171402), (29, 7014760), (40, 5085701), (58, 3507380), (116, 1753690), (145, 1402952), (157, 1295720), (232, 876845), (290, 701476), (314, 647860), (580, 350738), (628, 323930), (785, 259144), (1117, 182120), (1160, 175369), (1256, 161965), (1570, 129572), (2234, 91060), (3140, 64786), (4468, 45530), (4553, 44680), (5585, 36424), (6280, 32393), (8936, 22765), (9106, 22340), (11170, 18212)]