199442800

素因数分解:

$2^4\times 5^2\times {\mathrm{197}}^1\times {\mathrm{2531}}^1$

素因数の和:2746

約数の個数: 60

約数和(自身を含む): 481783896

約数和(自身を除く): 282341096

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 197, 200, 394, 400, 788, 985, 1576, 1970, 2531, 3152, 3940, 4925, 5062, 7880, 9850, 10124, 12655, 15760, 19700, 20248, 25310, 39400, 40496, 50620, 63275, 78800, 101240, 126550, 202480, 253100, 498607, 506200, 997214, 1012400, 1994428, 2493035, 3988856, 4986070, 7977712, 9972140, 12465175, 19944280, 24930350, 39888560, 49860700, 99721400, 199442800]

約数ペア:

[(1, 199442800), (2, 99721400), (4, 49860700), (5, 39888560), (8, 24930350), (10, 19944280), (16, 12465175), (20, 9972140), (25, 7977712), (40, 4986070), (50, 3988856), (80, 2493035), (100, 1994428), (197, 1012400), (200, 997214), (394, 506200), (400, 498607), (788, 253100), (985, 202480), (1576, 126550), (1970, 101240), (2531, 78800), (3152, 63275), (3940, 50620), (4925, 40496), (5062, 39400), (7880, 25310), (9850, 20248), (10124, 19700), (12655, 15760)]