1114780

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{401}}^1$

素因数の和:549

約数の個数: 24

約数和(自身を含む): 2363760

約数和(自身を除く): 1248980

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 401, 556, 695, 802, 1390, 1604, 2005, 2780, 4010, 8020, 55739, 111478, 222956, 278695, 557390, 1114780]

約数ペア:

[(1, 1114780), (2, 557390), (4, 278695), (5, 222956), (10, 111478), (20, 55739), (139, 8020), (278, 4010), (401, 2780), (556, 2005), (695, 1604), (802, 1390)]