2009043020

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{353}}^1\times {\mathrm{7691}}^1$

素因数の和:8090

約数の個数: 48

約数和(自身を含む): 4345856928

約数和(自身を除く): 2336813908

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 353, 370, 706, 740, 1412, 1765, 3530, 7060, 7691, 13061, 15382, 26122, 30764, 38455, 52244, 65305, 76910, 130610, 153820, 261220, 284567, 569134, 1138268, 1422835, 2714923, 2845670, 5429846, 5691340, 10859692, 13574615, 27149230, 54298460, 100452151, 200904302, 401808604, 502260755, 1004521510, 2009043020]

約数ペア:

[(1, 2009043020), (2, 1004521510), (4, 502260755), (5, 401808604), (10, 200904302), (20, 100452151), (37, 54298460), (74, 27149230), (148, 13574615), (185, 10859692), (353, 5691340), (370, 5429846), (706, 2845670), (740, 2714923), (1412, 1422835), (1765, 1138268), (3530, 569134), (7060, 284567), (7691, 261220), (13061, 153820), (15382, 130610), (26122, 76910), (30764, 65305), (38455, 52244)]