839398210

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{168893}}^1$

素因数の和:168978

約数の個数: 32

約数和(自身を含む): 1751092992

約数和(自身を除く): 911694782

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 71, 142, 355, 497, 710, 994, 2485, 4970, 168893, 337786, 844465, 1182251, 1688930, 2364502, 5911255, 11822510, 11991403, 23982806, 59957015, 83939821, 119914030, 167879642, 419699105, 839398210]

約数ペア:

[(1, 839398210), (2, 419699105), (5, 167879642), (7, 119914030), (10, 83939821), (14, 59957015), (35, 23982806), (70, 11991403), (71, 11822510), (142, 5911255), (355, 2364502), (497, 1688930), (710, 1182251), (994, 844465), (2485, 337786), (4970, 168893)]