898496920

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1321319}}^1$

素因数の和:1321347

約数の個数: 32

約数和(自身を含む): 2140538400

約数和(自身を除く): 1242041480

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 1321319, 2642638, 5285276, 6606595, 10570552, 13213190, 22462423, 26426380, 44924846, 52852760, 89849692, 112312115, 179699384, 224624230, 449248460, 898496920]

約数ペア:

[(1, 898496920), (2, 449248460), (4, 224624230), (5, 179699384), (8, 112312115), (10, 89849692), (17, 52852760), (20, 44924846), (34, 26426380), (40, 22462423), (68, 13213190), (85, 10570552), (136, 6606595), (170, 5285276), (340, 2642638), (680, 1321319)]