20298000

素因数分解:

$2^4\times 3^1\times 5^3\times {\mathrm{17}}^1\times {\mathrm{199}}^1$

素因数の和:242

約数の個数: 160

約数和(自身を含む): 69638400

約数和(自身を除く): 49340400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 25, 30, 34, 40, 48, 50, 51, 60, 68, 75, 80, 85, 100, 102, 120, 125, 136, 150, 170, 199, 200, 204, 240, 250, 255, 272, 300, 340, 375, 398, 400, 408, 425, 500, 510, 597, 600, 680, 750, 796, 816, 850, 995, 1000, 1020, 1194, 1200, 1275, 1360, 1500, 1592, 1700, 1990, 2000, 2040, 2125, 2388, 2550, 2985, 3000, 3184, 3383, 3400, 3980, 4080, 4250, 4776, 4975, 5100, 5970, 6000, 6375, 6766, 6800, 7960, 8500, 9552, 9950, 10149, 10200, 11940, 12750, 13532, 14925, 15920, 16915, 17000, 19900, 20298, 20400, 23880, 24875, 25500, 27064, 29850, 33830, 34000, 39800, 40596, 47760, 49750, 50745, 51000, 54128, 59700, 67660, 74625, 79600, 81192, 84575, 99500, 101490, 102000, 119400, 135320, 149250, 162384, 169150, 199000, 202980, 238800, 253725, 270640, 298500, 338300, 398000, 405960, 422875, 507450, 597000, 676600, 811920, 845750, 1014900, 1194000, 1268625, 1353200, 1691500, 2029800, 2537250, 3383000, 4059600, 5074500, 6766000, 10149000, 20298000]

約数ペア:

[(1, 20298000), (2, 10149000), (3, 6766000), (4, 5074500), (5, 4059600), (6, 3383000), (8, 2537250), (10, 2029800), (12, 1691500), (15, 1353200), (16, 1268625), (17, 1194000), (20, 1014900), (24, 845750), (25, 811920), (30, 676600), (34, 597000), (40, 507450), (48, 422875), (50, 405960), (51, 398000), (60, 338300), (68, 298500), (75, 270640), (80, 253725), (85, 238800), (100, 202980), (102, 199000), (120, 169150), (125, 162384), (136, 149250), (150, 135320), (170, 119400), (199, 102000), (200, 101490), (204, 99500), (240, 84575), (250, 81192), (255, 79600), (272, 74625), (300, 67660), (340, 59700), (375, 54128), (398, 51000), (400, 50745), (408, 49750), (425, 47760), (500, 40596), (510, 39800), (597, 34000), (600, 33830), (680, 29850), (750, 27064), (796, 25500), (816, 24875), (850, 23880), (995, 20400), (1000, 20298), (1020, 19900), (1194, 17000), (1200, 16915), (1275, 15920), (1360, 14925), (1500, 13532), (1592, 12750), (1700, 11940), (1990, 10200), (2000, 10149), (2040, 9950), (2125, 9552), (2388, 8500), (2550, 7960), (2985, 6800), (3000, 6766), (3184, 6375), (3383, 6000), (3400, 5970), (3980, 5100), (4080, 4975), (4250, 4776)]