304334540

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{137}}^1\times {\mathrm{1019}}^1$

素因数の和:1274

約数の個数: 48

約数和(自身を含む): 650311200

約数和(自身を除く): 345976660

約数列:

[1, 2, 4, 5, 10, 20, 109, 137, 218, 274, 436, 545, 548, 685, 1019, 1090, 1370, 2038, 2180, 2740, 4076, 5095, 10190, 14933, 20380, 29866, 59732, 74665, 111071, 139603, 149330, 222142, 279206, 298660, 444284, 555355, 558412, 698015, 1110710, 1396030, 2221420, 2792060, 15216727, 30433454, 60866908, 76083635, 152167270, 304334540]

約数ペア:

[(1, 304334540), (2, 152167270), (4, 76083635), (5, 60866908), (10, 30433454), (20, 15216727), (109, 2792060), (137, 2221420), (218, 1396030), (274, 1110710), (436, 698015), (545, 558412), (548, 555355), (685, 444284), (1019, 298660), (1090, 279206), (1370, 222142), (2038, 149330), (2180, 139603), (2740, 111071), (4076, 74665), (5095, 59732), (10190, 29866), (14933, 20380)]