1289384510

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{419}}^1\times {\mathrm{8317}}^1$

素因数の和:8780

約数の個数: 32

約数和(自身を含む): 2389595040

約数和(自身を除く): 1100210530

約数列:

[1, 2, 5, 10, 37, 74, 185, 370, 419, 838, 2095, 4190, 8317, 15503, 16634, 31006, 41585, 77515, 83170, 155030, 307729, 615458, 1538645, 3077290, 3484823, 6969646, 17424115, 34848230, 128938451, 257876902, 644692255, 1289384510]

約数ペア:

[(1, 1289384510), (2, 644692255), (5, 257876902), (10, 128938451), (37, 34848230), (74, 17424115), (185, 6969646), (370, 3484823), (419, 3077290), (838, 1538645), (2095, 615458), (4190, 307729), (8317, 155030), (15503, 83170), (16634, 77515), (31006, 41585)]