30805900

素因数分解:

$2^2\times 5^2\times {\mathrm{179}}^1\times {\mathrm{1721}}^1$

素因数の和:1914

約数の個数: 36

約数和(自身を含む): 67261320

約数和(自身を除く): 36455420

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 179, 358, 716, 895, 1721, 1790, 3442, 3580, 4475, 6884, 8605, 8950, 17210, 17900, 34420, 43025, 86050, 172100, 308059, 616118, 1232236, 1540295, 3080590, 6161180, 7701475, 15402950, 30805900]

約数ペア:

[(1, 30805900), (2, 15402950), (4, 7701475), (5, 6161180), (10, 3080590), (20, 1540295), (25, 1232236), (50, 616118), (100, 308059), (179, 172100), (358, 86050), (716, 43025), (895, 34420), (1721, 17900), (1790, 17210), (3442, 8950), (3580, 8605), (4475, 6884)]