2897220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{443}}^1$

素因数の和:564

約数の個数: 48

約数和(自身を含む): 8205120

約数和(自身を除く): 5307900

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 109, 218, 327, 436, 443, 545, 654, 886, 1090, 1308, 1329, 1635, 1772, 2180, 2215, 2658, 3270, 4430, 5316, 6540, 6645, 8860, 13290, 26580, 48287, 96574, 144861, 193148, 241435, 289722, 482870, 579444, 724305, 965740, 1448610, 2897220]

約数ペア:

[(1, 2897220), (2, 1448610), (3, 965740), (4, 724305), (5, 579444), (6, 482870), (10, 289722), (12, 241435), (15, 193148), (20, 144861), (30, 96574), (60, 48287), (109, 26580), (218, 13290), (327, 8860), (436, 6645), (443, 6540), (545, 5316), (654, 4430), (886, 3270), (1090, 2658), (1308, 2215), (1329, 2180), (1635, 1772)]