393678100

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{207199}}^1$

素因数の和:207232

約数の個数: 36

約数和(自身を含む): 899248000

約数和(自身を除く): 505569900

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 380, 475, 950, 1900, 207199, 414398, 828796, 1035995, 2071990, 3936781, 4143980, 5179975, 7873562, 10359950, 15747124, 19683905, 20719900, 39367810, 78735620, 98419525, 196839050, 393678100]

約数ペア:

[(1, 393678100), (2, 196839050), (4, 98419525), (5, 78735620), (10, 39367810), (19, 20719900), (20, 19683905), (25, 15747124), (38, 10359950), (50, 7873562), (76, 5179975), (95, 4143980), (100, 3936781), (190, 2071990), (380, 1035995), (475, 828796), (950, 414398), (1900, 207199)]