7910780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{439}}^1$

素因数の和:518

約数の個数: 48

約数和(自身を含む): 17962560

約数和(自身を除く): 10051780

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 53, 68, 85, 106, 170, 212, 265, 340, 439, 530, 878, 901, 1060, 1756, 1802, 2195, 3604, 4390, 4505, 7463, 8780, 9010, 14926, 18020, 23267, 29852, 37315, 46534, 74630, 93068, 116335, 149260, 232670, 395539, 465340, 791078, 1582156, 1977695, 3955390, 7910780]

約数ペア:

[(1, 7910780), (2, 3955390), (4, 1977695), (5, 1582156), (10, 791078), (17, 465340), (20, 395539), (34, 232670), (53, 149260), (68, 116335), (85, 93068), (106, 74630), (170, 46534), (212, 37315), (265, 29852), (340, 23267), (439, 18020), (530, 14926), (878, 9010), (901, 8780), (1060, 7463), (1756, 4505), (1802, 4390), (2195, 3604)]