217460220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{51047}}^1$

素因数の和:51130

約数の個数: 48

約数和(自身を含む): 617476608

約数和(自身を除く): 400016388

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 71, 142, 213, 284, 355, 426, 710, 852, 1065, 1420, 2130, 4260, 51047, 102094, 153141, 204188, 255235, 306282, 510470, 612564, 765705, 1020940, 1531410, 3062820, 3624337, 7248674, 10873011, 14497348, 18121685, 21746022, 36243370, 43492044, 54365055, 72486740, 108730110, 217460220]

約数ペア:

[(1, 217460220), (2, 108730110), (3, 72486740), (4, 54365055), (5, 43492044), (6, 36243370), (10, 21746022), (12, 18121685), (15, 14497348), (20, 10873011), (30, 7248674), (60, 3624337), (71, 3062820), (142, 1531410), (213, 1020940), (284, 765705), (355, 612564), (426, 510470), (710, 306282), (852, 255235), (1065, 204188), (1420, 153141), (2130, 102094), (4260, 51047)]