1245492860

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{307}}^1\times {\mathrm{1861}}^1$

素因数の和:2286

約数の個数: 48

約数和(自身を含む): 2649551520

約数和(自身を除く): 1404058660

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 307, 436, 545, 614, 1090, 1228, 1535, 1861, 2180, 3070, 3722, 6140, 7444, 9305, 18610, 33463, 37220, 66926, 133852, 167315, 202849, 334630, 405698, 571327, 669260, 811396, 1014245, 1142654, 2028490, 2285308, 2856635, 4056980, 5713270, 11426540, 62274643, 124549286, 249098572, 311373215, 622746430, 1245492860]

約数ペア:

[(1, 1245492860), (2, 622746430), (4, 311373215), (5, 249098572), (10, 124549286), (20, 62274643), (109, 11426540), (218, 5713270), (307, 4056980), (436, 2856635), (545, 2285308), (614, 2028490), (1090, 1142654), (1228, 1014245), (1535, 811396), (1861, 669260), (2180, 571327), (3070, 405698), (3722, 334630), (6140, 202849), (7444, 167315), (9305, 133852), (18610, 66926), (33463, 37220)]