512208020

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{173}}^1\times {\mathrm{4001}}^1$

素因数の和:4220

約数の個数: 48

約数和(自身を含む): 1111371408

約数和(自身を除く): 599163388

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 173, 185, 346, 370, 692, 740, 865, 1730, 3460, 4001, 6401, 8002, 12802, 16004, 20005, 25604, 32005, 40010, 64010, 80020, 128020, 148037, 296074, 592148, 692173, 740185, 1384346, 1480370, 2768692, 2960740, 3460865, 6921730, 13843460, 25610401, 51220802, 102441604, 128052005, 256104010, 512208020]

約数ペア:

[(1, 512208020), (2, 256104010), (4, 128052005), (5, 102441604), (10, 51220802), (20, 25610401), (37, 13843460), (74, 6921730), (148, 3460865), (173, 2960740), (185, 2768692), (346, 1480370), (370, 1384346), (692, 740185), (740, 692173), (865, 592148), (1730, 296074), (3460, 148037), (4001, 128020), (6401, 80020), (8002, 64010), (12802, 40010), (16004, 32005), (20005, 25604)]