2782570

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{313}}^1$

素因数の和:454

約数の個数: 32

約数和(自身を含む): 5787648

約数和(自身を除く): 3005078

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 127, 254, 313, 626, 635, 889, 1270, 1565, 1778, 2191, 3130, 4382, 4445, 8890, 10955, 21910, 39751, 79502, 198755, 278257, 397510, 556514, 1391285, 2782570]

約数ペア:

[(1, 2782570), (2, 1391285), (5, 556514), (7, 397510), (10, 278257), (14, 198755), (35, 79502), (70, 39751), (127, 21910), (254, 10955), (313, 8890), (626, 4445), (635, 4382), (889, 3130), (1270, 2191), (1565, 1778)]