28260500

素因数分解:

$2^2\times 5^3\times {\mathrm{29}}^1\times {\mathrm{1949}}^1$

素因数の和:1997

約数の個数: 48

約数和(自身を含む): 63882000

約数和(自身を除く): 35621500

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 50, 58, 100, 116, 125, 145, 250, 290, 500, 580, 725, 1450, 1949, 2900, 3625, 3898, 7250, 7796, 9745, 14500, 19490, 38980, 48725, 56521, 97450, 113042, 194900, 226084, 243625, 282605, 487250, 565210, 974500, 1130420, 1413025, 2826050, 5652100, 7065125, 14130250, 28260500]

約数ペア:

[(1, 28260500), (2, 14130250), (4, 7065125), (5, 5652100), (10, 2826050), (20, 1413025), (25, 1130420), (29, 974500), (50, 565210), (58, 487250), (100, 282605), (116, 243625), (125, 226084), (145, 194900), (250, 113042), (290, 97450), (500, 56521), (580, 48725), (725, 38980), (1450, 19490), (1949, 14500), (2900, 9745), (3625, 7796), (3898, 7250)]