199902280

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{106331}}^1$

素因数の和:106389

約数の個数: 32

約数和(自身を含む): 459354240

約数和(自身を除く): 259451960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 106331, 212662, 425324, 531655, 850648, 1063310, 2126620, 4253240, 4997557, 9995114, 19990228, 24987785, 39980456, 49975570, 99951140, 199902280]

約数ペア:

[(1, 199902280), (2, 99951140), (4, 49975570), (5, 39980456), (8, 24987785), (10, 19990228), (20, 9995114), (40, 4997557), (47, 4253240), (94, 2126620), (188, 1063310), (235, 850648), (376, 531655), (470, 425324), (940, 212662), (1880, 106331)]