1706920

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{307}}^1$

素因数の和:457

約数の個数: 32

約数和(自身を含む): 3880800

約数和(自身を除く): 2173880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 307, 556, 614, 695, 1112, 1228, 1390, 1535, 2456, 2780, 3070, 5560, 6140, 12280, 42673, 85346, 170692, 213365, 341384, 426730, 853460, 1706920]

約数ペア:

[(1, 1706920), (2, 853460), (4, 426730), (5, 341384), (8, 213365), (10, 170692), (20, 85346), (40, 42673), (139, 12280), (278, 6140), (307, 5560), (556, 3070), (614, 2780), (695, 2456), (1112, 1535), (1228, 1390)]