4205220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{643}}^1$

素因数の和:764

約数の個数: 48

約数和(自身を含む): 11901120

約数和(自身を除く): 7695900

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 109, 218, 327, 436, 545, 643, 654, 1090, 1286, 1308, 1635, 1929, 2180, 2572, 3215, 3270, 3858, 6430, 6540, 7716, 9645, 12860, 19290, 38580, 70087, 140174, 210261, 280348, 350435, 420522, 700870, 841044, 1051305, 1401740, 2102610, 4205220]

約数ペア:

[(1, 4205220), (2, 2102610), (3, 1401740), (4, 1051305), (5, 841044), (6, 700870), (10, 420522), (12, 350435), (15, 280348), (20, 210261), (30, 140174), (60, 70087), (109, 38580), (218, 19290), (327, 12860), (436, 9645), (545, 7716), (643, 6540), (654, 6430), (1090, 3858), (1286, 3270), (1308, 3215), (1635, 2572), (1929, 2180)]