190100000

素因数分解:

$2^5\times 5^5\times {\mathrm{1901}}^1$

素因数の和:1936

約数の個数: 72

約数和(自身を含む): 468040356

約数和(自身を除く): 277940356

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 400, 500, 625, 800, 1000, 1250, 1901, 2000, 2500, 3125, 3802, 4000, 5000, 6250, 7604, 9505, 10000, 12500, 15208, 19010, 20000, 25000, 30416, 38020, 47525, 50000, 60832, 76040, 95050, 100000, 152080, 190100, 237625, 304160, 380200, 475250, 760400, 950500, 1188125, 1520800, 1901000, 2376250, 3802000, 4752500, 5940625, 7604000, 9505000, 11881250, 19010000, 23762500, 38020000, 47525000, 95050000, 190100000]

約数ペア:

[(1, 190100000), (2, 95050000), (4, 47525000), (5, 38020000), (8, 23762500), (10, 19010000), (16, 11881250), (20, 9505000), (25, 7604000), (32, 5940625), (40, 4752500), (50, 3802000), (80, 2376250), (100, 1901000), (125, 1520800), (160, 1188125), (200, 950500), (250, 760400), (400, 475250), (500, 380200), (625, 304160), (800, 237625), (1000, 190100), (1250, 152080), (1901, 100000), (2000, 95050), (2500, 76040), (3125, 60832), (3802, 50000), (4000, 47525), (5000, 38020), (6250, 30416), (7604, 25000), (9505, 20000), (10000, 19010), (12500, 15208)]