198334940

素因数分解:

$2^2\times 5^1\times {\mathrm{1321}}^1\times {\mathrm{7507}}^1$

素因数の和:8837

約数の個数: 24

約数和(自身を含む): 416874192

約数和(自身を除く): 218539252

約数列:

[1, 2, 4, 5, 10, 20, 1321, 2642, 5284, 6605, 7507, 13210, 15014, 26420, 30028, 37535, 75070, 150140, 9916747, 19833494, 39666988, 49583735, 99167470, 198334940]

約数ペア:

[(1, 198334940), (2, 99167470), (4, 49583735), (5, 39666988), (10, 19833494), (20, 9916747), (1321, 150140), (2642, 75070), (5284, 37535), (6605, 30028), (7507, 26420), (13210, 15014)]