2009490

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{1367}}^1$

素因数の和:1391

約数の個数: 48

約数和(自身を含む): 5614272

約数和(自身を除く): 3604782

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 98, 105, 147, 210, 245, 294, 490, 735, 1367, 1470, 2734, 4101, 6835, 8202, 9569, 13670, 19138, 20505, 28707, 41010, 47845, 57414, 66983, 95690, 133966, 143535, 200949, 287070, 334915, 401898, 669830, 1004745, 2009490]

約数ペア:

[(1, 2009490), (2, 1004745), (3, 669830), (5, 401898), (6, 334915), (7, 287070), (10, 200949), (14, 143535), (15, 133966), (21, 95690), (30, 66983), (35, 57414), (42, 47845), (49, 41010), (70, 28707), (98, 20505), (105, 19138), (147, 13670), (210, 9569), (245, 8202), (294, 6835), (490, 4101), (735, 2734), (1367, 1470)]