74481740

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{251}}^1\times {\mathrm{401}}^1$

素因数の和:698

約数の個数: 48

約数和(自身を含む): 161681184

約数和(自身を除く): 87199444

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 251, 370, 401, 502, 740, 802, 1004, 1255, 1604, 2005, 2510, 4010, 5020, 8020, 9287, 14837, 18574, 29674, 37148, 46435, 59348, 74185, 92870, 100651, 148370, 185740, 201302, 296740, 402604, 503255, 1006510, 2013020, 3724087, 7448174, 14896348, 18620435, 37240870, 74481740]

約数ペア:

[(1, 74481740), (2, 37240870), (4, 18620435), (5, 14896348), (10, 7448174), (20, 3724087), (37, 2013020), (74, 1006510), (148, 503255), (185, 402604), (251, 296740), (370, 201302), (401, 185740), (502, 148370), (740, 100651), (802, 92870), (1004, 74185), (1255, 59348), (1604, 46435), (2005, 37148), (2510, 29674), (4010, 18574), (5020, 14837), (8020, 9287)]