27988900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{14731}}^1$

素因数の和:14764

約数の個数: 36

約数和(自身を含む): 63936880

約数和(自身を除く): 35947980

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 380, 475, 950, 1900, 14731, 29462, 58924, 73655, 147310, 279889, 294620, 368275, 559778, 736550, 1119556, 1399445, 1473100, 2798890, 5597780, 6997225, 13994450, 27988900]

約数ペア:

[(1, 27988900), (2, 13994450), (4, 6997225), (5, 5597780), (10, 2798890), (19, 1473100), (20, 1399445), (25, 1119556), (38, 736550), (50, 559778), (76, 368275), (95, 294620), (100, 279889), (190, 147310), (380, 73655), (475, 58924), (950, 29462), (1900, 14731)]