305732020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{443}}^1\times {\mathrm{3137}}^1$

素因数の和:3600

約数の個数: 48

約数和(自身を含む): 702209088

約数和(自身を除く): 396477068

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 443, 886, 1772, 2215, 3137, 4430, 4873, 6274, 8860, 9746, 12548, 15685, 19492, 24365, 31370, 34507, 48730, 62740, 69014, 97460, 138028, 172535, 345070, 690140, 1389691, 2779382, 5558764, 6948455, 13896910, 15286601, 27793820, 30573202, 61146404, 76433005, 152866010, 305732020]

約数ペア:

[(1, 305732020), (2, 152866010), (4, 76433005), (5, 61146404), (10, 30573202), (11, 27793820), (20, 15286601), (22, 13896910), (44, 6948455), (55, 5558764), (110, 2779382), (220, 1389691), (443, 690140), (886, 345070), (1772, 172535), (2215, 138028), (3137, 97460), (4430, 69014), (4873, 62740), (6274, 48730), (8860, 34507), (9746, 31370), (12548, 24365), (15685, 19492)]