28201020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{307}}^1\times {\mathrm{1531}}^1$

素因数の和:1850

約数の個数: 48

約数和(自身を含む): 79271808

約数和(自身を除く): 51070788

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 307, 614, 921, 1228, 1531, 1535, 1842, 3062, 3070, 3684, 4593, 4605, 6124, 6140, 7655, 9186, 9210, 15310, 18372, 18420, 22965, 30620, 45930, 91860, 470017, 940034, 1410051, 1880068, 2350085, 2820102, 4700170, 5640204, 7050255, 9400340, 14100510, 28201020]

約数ペア:

[(1, 28201020), (2, 14100510), (3, 9400340), (4, 7050255), (5, 5640204), (6, 4700170), (10, 2820102), (12, 2350085), (15, 1880068), (20, 1410051), (30, 940034), (60, 470017), (307, 91860), (614, 45930), (921, 30620), (1228, 22965), (1531, 18420), (1535, 18372), (1842, 15310), (3062, 9210), (3070, 9186), (3684, 7655), (4593, 6140), (4605, 6124)]