194975900

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{39791}}^1$

素因数の和:39819

約数の個数: 54

約数和(自身を含む): 492187248

約数和(自身を除く): 297211348

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 140, 175, 196, 245, 350, 490, 700, 980, 1225, 2450, 4900, 39791, 79582, 159164, 198955, 278537, 397910, 557074, 795820, 994775, 1114148, 1392685, 1949759, 1989550, 2785370, 3899518, 3979100, 5570740, 6963425, 7799036, 9748795, 13926850, 19497590, 27853700, 38995180, 48743975, 97487950, 194975900]

約数ペア:

[(1, 194975900), (2, 97487950), (4, 48743975), (5, 38995180), (7, 27853700), (10, 19497590), (14, 13926850), (20, 9748795), (25, 7799036), (28, 6963425), (35, 5570740), (49, 3979100), (50, 3899518), (70, 2785370), (98, 1989550), (100, 1949759), (140, 1392685), (175, 1114148), (196, 994775), (245, 795820), (350, 557074), (490, 397910), (700, 278537), (980, 198955), (1225, 159164), (2450, 79582), (4900, 39791)]