20170500

素因数分解:

$2^2\times 3^1\times 5^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1$

素因数の和:159

約数の個数: 192

約数和(自身を含む): 71705088

約数和(自身を除く): 51534588

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 25, 28, 30, 34, 35, 42, 50, 51, 60, 68, 70, 75, 84, 85, 100, 102, 105, 113, 119, 125, 140, 150, 170, 175, 204, 210, 226, 238, 250, 255, 300, 339, 340, 350, 357, 375, 420, 425, 452, 476, 500, 510, 525, 565, 595, 678, 700, 714, 750, 791, 850, 875, 1020, 1050, 1130, 1190, 1275, 1356, 1428, 1500, 1582, 1695, 1700, 1750, 1785, 1921, 2100, 2125, 2260, 2373, 2380, 2550, 2625, 2825, 2975, 3164, 3390, 3500, 3570, 3842, 3955, 4250, 4746, 5100, 5250, 5650, 5763, 5950, 6375, 6780, 7140, 7684, 7910, 8475, 8500, 8925, 9492, 9605, 10500, 11300, 11526, 11865, 11900, 12750, 13447, 14125, 14875, 15820, 16950, 17850, 19210, 19775, 23052, 23730, 25500, 26894, 28250, 28815, 29750, 33900, 35700, 38420, 39550, 40341, 42375, 44625, 47460, 48025, 53788, 56500, 57630, 59325, 59500, 67235, 79100, 80682, 84750, 89250, 96050, 98875, 115260, 118650, 134470, 144075, 161364, 169500, 178500, 192100, 197750, 201705, 237300, 240125, 268940, 288150, 296625, 336175, 395500, 403410, 480250, 576300, 593250, 672350, 720375, 806820, 960500, 1008525, 1186500, 1344700, 1440750, 1680875, 2017050, 2881500, 3361750, 4034100, 5042625, 6723500, 10085250, 20170500]

約数ペア:

[(1, 20170500), (2, 10085250), (3, 6723500), (4, 5042625), (5, 4034100), (6, 3361750), (7, 2881500), (10, 2017050), (12, 1680875), (14, 1440750), (15, 1344700), (17, 1186500), (20, 1008525), (21, 960500), (25, 806820), (28, 720375), (30, 672350), (34, 593250), (35, 576300), (42, 480250), (50, 403410), (51, 395500), (60, 336175), (68, 296625), (70, 288150), (75, 268940), (84, 240125), (85, 237300), (100, 201705), (102, 197750), (105, 192100), (113, 178500), (119, 169500), (125, 161364), (140, 144075), (150, 134470), (170, 118650), (175, 115260), (204, 98875), (210, 96050), (226, 89250), (238, 84750), (250, 80682), (255, 79100), (300, 67235), (339, 59500), (340, 59325), (350, 57630), (357, 56500), (375, 53788), (420, 48025), (425, 47460), (452, 44625), (476, 42375), (500, 40341), (510, 39550), (525, 38420), (565, 35700), (595, 33900), (678, 29750), (700, 28815), (714, 28250), (750, 26894), (791, 25500), (850, 23730), (875, 23052), (1020, 19775), (1050, 19210), (1130, 17850), (1190, 16950), (1275, 15820), (1356, 14875), (1428, 14125), (1500, 13447), (1582, 12750), (1695, 11900), (1700, 11865), (1750, 11526), (1785, 11300), (1921, 10500), (2100, 9605), (2125, 9492), (2260, 8925), (2373, 8500), (2380, 8475), (2550, 7910), (2625, 7684), (2825, 7140), (2975, 6780), (3164, 6375), (3390, 5950), (3500, 5763), (3570, 5650), (3842, 5250), (3955, 5100), (4250, 4746)]