899426480

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{661343}}^1$

素因数の和:661373

約数の個数: 40

約数和(自身を含む): 2214179712

約数和(自身を除く): 1314753232

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 661343, 1322686, 2645372, 3306715, 5290744, 6613430, 10581488, 11242831, 13226860, 22485662, 26453720, 44971324, 52907440, 56214155, 89942648, 112428310, 179885296, 224856620, 449713240, 899426480]

約数ペア:

[(1, 899426480), (2, 449713240), (4, 224856620), (5, 179885296), (8, 112428310), (10, 89942648), (16, 56214155), (17, 52907440), (20, 44971324), (34, 26453720), (40, 22485662), (68, 13226860), (80, 11242831), (85, 10581488), (136, 6613430), (170, 5290744), (272, 3306715), (340, 2645372), (680, 1322686), (1360, 661343)]