30707800

素因数分解:

$2^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{8081}}^1$

素因数の和:8116

約数の個数: 48

約数和(自身を含む): 75162600

約数和(自身を除く): 44454800

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 76, 95, 100, 152, 190, 200, 380, 475, 760, 950, 1900, 3800, 8081, 16162, 32324, 40405, 64648, 80810, 153539, 161620, 202025, 307078, 323240, 404050, 614156, 767695, 808100, 1228312, 1535390, 1616200, 3070780, 3838475, 6141560, 7676950, 15353900, 30707800]

約数ペア:

[(1, 30707800), (2, 15353900), (4, 7676950), (5, 6141560), (8, 3838475), (10, 3070780), (19, 1616200), (20, 1535390), (25, 1228312), (38, 808100), (40, 767695), (50, 614156), (76, 404050), (95, 323240), (100, 307078), (152, 202025), (190, 161620), (200, 153539), (380, 80810), (475, 64648), (760, 40405), (950, 32324), (1900, 16162), (3800, 8081)]