897890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{127}}^1$

素因数の和:242

約数の個数: 32

約数和(自身を含む): 1880064

約数和(自身を除く): 982174

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 101, 127, 202, 254, 505, 635, 707, 889, 1010, 1270, 1414, 1778, 3535, 4445, 7070, 8890, 12827, 25654, 64135, 89789, 128270, 179578, 448945, 897890]

約数ペア:

[(1, 897890), (2, 448945), (5, 179578), (7, 128270), (10, 89789), (14, 64135), (35, 25654), (70, 12827), (101, 8890), (127, 7070), (202, 4445), (254, 3535), (505, 1778), (635, 1414), (707, 1270), (889, 1010)]