285040000

素因数分解:

$2^7\times 5^4\times 7^1\times {\mathrm{509}}^1$

素因数の和:550

約数の個数: 160

約数和(自身を含む): 812552400

約数和(自身を除く): 527512400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 64, 70, 80, 100, 112, 125, 128, 140, 160, 175, 200, 224, 250, 280, 320, 350, 400, 448, 500, 509, 560, 625, 640, 700, 800, 875, 896, 1000, 1018, 1120, 1250, 1400, 1600, 1750, 2000, 2036, 2240, 2500, 2545, 2800, 3200, 3500, 3563, 4000, 4072, 4375, 4480, 5000, 5090, 5600, 7000, 7126, 8000, 8144, 8750, 10000, 10180, 11200, 12725, 14000, 14252, 16000, 16288, 17500, 17815, 20000, 20360, 22400, 25450, 28000, 28504, 32576, 35000, 35630, 40000, 40720, 50900, 56000, 57008, 63625, 65152, 70000, 71260, 80000, 81440, 89075, 101800, 112000, 114016, 127250, 140000, 142520, 162880, 178150, 203600, 228032, 254500, 280000, 285040, 318125, 325760, 356300, 407200, 445375, 456064, 509000, 560000, 570080, 636250, 712600, 814400, 890750, 1018000, 1140160, 1272500, 1425200, 1628800, 1781500, 2036000, 2226875, 2280320, 2545000, 2850400, 3563000, 4072000, 4453750, 5090000, 5700800, 7126000, 8144000, 8907500, 10180000, 11401600, 14252000, 17815000, 20360000, 28504000, 35630000, 40720000, 57008000, 71260000, 142520000, 285040000]

約数ペア:

[(1, 285040000), (2, 142520000), (4, 71260000), (5, 57008000), (7, 40720000), (8, 35630000), (10, 28504000), (14, 20360000), (16, 17815000), (20, 14252000), (25, 11401600), (28, 10180000), (32, 8907500), (35, 8144000), (40, 7126000), (50, 5700800), (56, 5090000), (64, 4453750), (70, 4072000), (80, 3563000), (100, 2850400), (112, 2545000), (125, 2280320), (128, 2226875), (140, 2036000), (160, 1781500), (175, 1628800), (200, 1425200), (224, 1272500), (250, 1140160), (280, 1018000), (320, 890750), (350, 814400), (400, 712600), (448, 636250), (500, 570080), (509, 560000), (560, 509000), (625, 456064), (640, 445375), (700, 407200), (800, 356300), (875, 325760), (896, 318125), (1000, 285040), (1018, 280000), (1120, 254500), (1250, 228032), (1400, 203600), (1600, 178150), (1750, 162880), (2000, 142520), (2036, 140000), (2240, 127250), (2500, 114016), (2545, 112000), (2800, 101800), (3200, 89075), (3500, 81440), (3563, 80000), (4000, 71260), (4072, 70000), (4375, 65152), (4480, 63625), (5000, 57008), (5090, 56000), (5600, 50900), (7000, 40720), (7126, 40000), (8000, 35630), (8144, 35000), (8750, 32576), (10000, 28504), (10180, 28000), (11200, 25450), (12725, 22400), (14000, 20360), (14252, 20000), (16000, 17815), (16288, 17500)]