156576220

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{499}}^1\times {\mathrm{541}}^1$

素因数の和:1078

約数の個数: 48

約数和(自身を含む): 341460000

約数和(自身を除く): 184883780

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 499, 541, 580, 998, 1082, 1996, 2164, 2495, 2705, 4990, 5410, 9980, 10820, 14471, 15689, 28942, 31378, 57884, 62756, 72355, 78445, 144710, 156890, 269959, 289420, 313780, 539918, 1079836, 1349795, 2699590, 5399180, 7828811, 15657622, 31315244, 39144055, 78288110, 156576220]

約数ペア:

[(1, 156576220), (2, 78288110), (4, 39144055), (5, 31315244), (10, 15657622), (20, 7828811), (29, 5399180), (58, 2699590), (116, 1349795), (145, 1079836), (290, 539918), (499, 313780), (541, 289420), (580, 269959), (998, 156890), (1082, 144710), (1996, 78445), (2164, 72355), (2495, 62756), (2705, 57884), (4990, 31378), (5410, 28942), (9980, 15689), (10820, 14471)]