939550000

素因数分解:

$2^4\times 5^5\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1$

素因数の和:118

約数の個数: 240

約数和(自身を含む): 2557336320

約数和(自身を除く): 1617786320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 23, 25, 38, 40, 43, 46, 50, 76, 80, 86, 92, 95, 100, 115, 125, 152, 172, 184, 190, 200, 215, 230, 250, 304, 344, 368, 380, 400, 430, 437, 460, 475, 500, 575, 625, 688, 760, 817, 860, 874, 920, 950, 989, 1000, 1075, 1150, 1250, 1520, 1634, 1720, 1748, 1840, 1900, 1978, 2000, 2150, 2185, 2300, 2375, 2500, 2875, 3125, 3268, 3440, 3496, 3800, 3956, 4085, 4300, 4370, 4600, 4750, 4945, 5000, 5375, 5750, 6250, 6536, 6992, 7600, 7912, 8170, 8600, 8740, 9200, 9500, 9890, 10000, 10750, 10925, 11500, 11875, 12500, 13072, 14375, 15824, 16340, 17200, 17480, 18791, 19000, 19780, 20425, 21500, 21850, 23000, 23750, 24725, 25000, 26875, 28750, 32680, 34960, 37582, 38000, 39560, 40850, 43000, 43700, 46000, 47500, 49450, 50000, 53750, 54625, 57500, 59375, 65360, 71875, 75164, 79120, 81700, 86000, 87400, 93955, 95000, 98900, 102125, 107500, 109250, 115000, 118750, 123625, 134375, 143750, 150328, 163400, 174800, 187910, 190000, 197800, 204250, 215000, 218500, 230000, 237500, 247250, 268750, 273125, 287500, 300656, 326800, 375820, 395600, 408500, 430000, 437000, 469775, 475000, 494500, 510625, 537500, 546250, 575000, 618125, 751640, 817000, 874000, 939550, 950000, 989000, 1021250, 1075000, 1092500, 1150000, 1236250, 1365625, 1503280, 1634000, 1879100, 1978000, 2042500, 2150000, 2185000, 2348875, 2472500, 2553125, 2731250, 3090625, 3758200, 4085000, 4370000, 4697750, 4945000, 5106250, 5462500, 6181250, 7516400, 8170000, 9395500, 9890000, 10212500, 10925000, 11744375, 12362500, 18791000, 20425000, 21850000, 23488750, 24725000, 37582000, 40850000, 46977500, 49450000, 58721875, 93955000, 117443750, 187910000, 234887500, 469775000, 939550000]

約数ペア:

[(1, 939550000), (2, 469775000), (4, 234887500), (5, 187910000), (8, 117443750), (10, 93955000), (16, 58721875), (19, 49450000), (20, 46977500), (23, 40850000), (25, 37582000), (38, 24725000), (40, 23488750), (43, 21850000), (46, 20425000), (50, 18791000), (76, 12362500), (80, 11744375), (86, 10925000), (92, 10212500), (95, 9890000), (100, 9395500), (115, 8170000), (125, 7516400), (152, 6181250), (172, 5462500), (184, 5106250), (190, 4945000), (200, 4697750), (215, 4370000), (230, 4085000), (250, 3758200), (304, 3090625), (344, 2731250), (368, 2553125), (380, 2472500), (400, 2348875), (430, 2185000), (437, 2150000), (460, 2042500), (475, 1978000), (500, 1879100), (575, 1634000), (625, 1503280), (688, 1365625), (760, 1236250), (817, 1150000), (860, 1092500), (874, 1075000), (920, 1021250), (950, 989000), (989, 950000), (1000, 939550), (1075, 874000), (1150, 817000), (1250, 751640), (1520, 618125), (1634, 575000), (1720, 546250), (1748, 537500), (1840, 510625), (1900, 494500), (1978, 475000), (2000, 469775), (2150, 437000), (2185, 430000), (2300, 408500), (2375, 395600), (2500, 375820), (2875, 326800), (3125, 300656), (3268, 287500), (3440, 273125), (3496, 268750), (3800, 247250), (3956, 237500), (4085, 230000), (4300, 218500), (4370, 215000), (4600, 204250), (4750, 197800), (4945, 190000), (5000, 187910), (5375, 174800), (5750, 163400), (6250, 150328), (6536, 143750), (6992, 134375), (7600, 123625), (7912, 118750), (8170, 115000), (8600, 109250), (8740, 107500), (9200, 102125), (9500, 98900), (9890, 95000), (10000, 93955), (10750, 87400), (10925, 86000), (11500, 81700), (11875, 79120), (12500, 75164), (13072, 71875), (14375, 65360), (15824, 59375), (16340, 57500), (17200, 54625), (17480, 53750), (18791, 50000), (19000, 49450), (19780, 47500), (20425, 46000), (21500, 43700), (21850, 43000), (23000, 40850), (23750, 39560), (24725, 38000), (25000, 37582), (26875, 34960), (28750, 32680)]