499898000

素因数分解:

$2^4\times 5^3\times 7^2\times {\mathrm{5101}}^1$

素因数の和:5138

約数の個数: 120

約数和(自身を含む): 1406376504

約数和(自身を除く): 906478504

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 49, 50, 56, 70, 80, 98, 100, 112, 125, 140, 175, 196, 200, 245, 250, 280, 350, 392, 400, 490, 500, 560, 700, 784, 875, 980, 1000, 1225, 1400, 1750, 1960, 2000, 2450, 2800, 3500, 3920, 4900, 5101, 6125, 7000, 9800, 10202, 12250, 14000, 19600, 20404, 24500, 25505, 35707, 40808, 49000, 51010, 71414, 81616, 98000, 102020, 127525, 142828, 178535, 204040, 249949, 255050, 285656, 357070, 408080, 499898, 510100, 571312, 637625, 714140, 892675, 999796, 1020200, 1249745, 1275250, 1428280, 1785350, 1999592, 2040400, 2499490, 2550500, 2856560, 3570700, 3999184, 4463375, 4998980, 5101000, 6248725, 7141400, 8926750, 9997960, 10202000, 12497450, 14282800, 17853500, 19995920, 24994900, 31243625, 35707000, 49989800, 62487250, 71414000, 99979600, 124974500, 249949000, 499898000]

約数ペア:

[(1, 499898000), (2, 249949000), (4, 124974500), (5, 99979600), (7, 71414000), (8, 62487250), (10, 49989800), (14, 35707000), (16, 31243625), (20, 24994900), (25, 19995920), (28, 17853500), (35, 14282800), (40, 12497450), (49, 10202000), (50, 9997960), (56, 8926750), (70, 7141400), (80, 6248725), (98, 5101000), (100, 4998980), (112, 4463375), (125, 3999184), (140, 3570700), (175, 2856560), (196, 2550500), (200, 2499490), (245, 2040400), (250, 1999592), (280, 1785350), (350, 1428280), (392, 1275250), (400, 1249745), (490, 1020200), (500, 999796), (560, 892675), (700, 714140), (784, 637625), (875, 571312), (980, 510100), (1000, 499898), (1225, 408080), (1400, 357070), (1750, 285656), (1960, 255050), (2000, 249949), (2450, 204040), (2800, 178535), (3500, 142828), (3920, 127525), (4900, 102020), (5101, 98000), (6125, 81616), (7000, 71414), (9800, 51010), (10202, 49000), (12250, 40808), (14000, 35707), (19600, 25505), (20404, 24500)]