69998900

素因数分解:

$2^2\times 5^2\times {\mathrm{71}}^1\times {\mathrm{9859}}^1$

素因数の和:9944

約数の個数: 36

約数和(自身を含む): 154052640

約数和(自身を除く): 84053740

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 71, 100, 142, 284, 355, 710, 1420, 1775, 3550, 7100, 9859, 19718, 39436, 49295, 98590, 197180, 246475, 492950, 699989, 985900, 1399978, 2799956, 3499945, 6999890, 13999780, 17499725, 34999450, 69998900]

約数ペア:

[(1, 69998900), (2, 34999450), (4, 17499725), (5, 13999780), (10, 6999890), (20, 3499945), (25, 2799956), (50, 1399978), (71, 985900), (100, 699989), (142, 492950), (284, 246475), (355, 197180), (710, 98590), (1420, 49295), (1775, 39436), (3550, 19718), (7100, 9859)]