284336500

素因数分解:

$2^2\times 5^3\times 7^1\times {\mathrm{81239}}^1$

素因数の和:81265

約数の個数: 48

約数和(自身を含む): 709712640

約数和(自身を除く): 425376140

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 125, 140, 175, 250, 350, 500, 700, 875, 1750, 3500, 81239, 162478, 324956, 406195, 568673, 812390, 1137346, 1624780, 2030975, 2274692, 2843365, 4061950, 5686730, 8123900, 10154875, 11373460, 14216825, 20309750, 28433650, 40619500, 56867300, 71084125, 142168250, 284336500]

約数ペア:

[(1, 284336500), (2, 142168250), (4, 71084125), (5, 56867300), (7, 40619500), (10, 28433650), (14, 20309750), (20, 14216825), (25, 11373460), (28, 10154875), (35, 8123900), (50, 5686730), (70, 4061950), (100, 2843365), (125, 2274692), (140, 2030975), (175, 1624780), (250, 1137346), (350, 812390), (500, 568673), (700, 406195), (875, 324956), (1750, 162478), (3500, 81239)]