2009144620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1229}}^1\times {\mathrm{11677}}^1$

素因数の和:12922

約数の個数: 48

約数和(自身を含む): 4826283840

約数和(自身を除く): 2817139220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1229, 2458, 4916, 6145, 8603, 11677, 12290, 17206, 23354, 24580, 34412, 43015, 46708, 58385, 81739, 86030, 116770, 163478, 172060, 233540, 326956, 408695, 817390, 1634780, 14351033, 28702066, 57404132, 71755165, 100457231, 143510330, 200914462, 287020660, 401828924, 502286155, 1004572310, 2009144620]

約数ペア:

[(1, 2009144620), (2, 1004572310), (4, 502286155), (5, 401828924), (7, 287020660), (10, 200914462), (14, 143510330), (20, 100457231), (28, 71755165), (35, 57404132), (70, 28702066), (140, 14351033), (1229, 1634780), (2458, 817390), (4916, 408695), (6145, 326956), (8603, 233540), (11677, 172060), (12290, 163478), (17206, 116770), (23354, 86030), (24580, 81739), (34412, 58385), (43015, 46708)]