249550000

素因数分解:

$2^4\times 5^5\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1$

素因数の和:94

約数の個数: 240

約数和(自身を含む): 743952384

約数和(自身を除く): 494402384

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 25, 28, 31, 35, 40, 46, 50, 56, 62, 70, 80, 92, 100, 112, 115, 124, 125, 140, 155, 161, 175, 184, 200, 217, 230, 248, 250, 280, 310, 322, 350, 368, 400, 434, 460, 496, 500, 560, 575, 620, 625, 644, 700, 713, 775, 805, 868, 875, 920, 1000, 1085, 1150, 1240, 1250, 1288, 1400, 1426, 1550, 1610, 1736, 1750, 1840, 2000, 2170, 2300, 2480, 2500, 2576, 2800, 2852, 2875, 3100, 3125, 3220, 3472, 3500, 3565, 3875, 4025, 4340, 4375, 4600, 4991, 5000, 5425, 5704, 5750, 6200, 6250, 6440, 7000, 7130, 7750, 8050, 8680, 8750, 9200, 9982, 10000, 10850, 11408, 11500, 12400, 12500, 12880, 14000, 14260, 14375, 15500, 16100, 17360, 17500, 17825, 19375, 19964, 20125, 21700, 21875, 23000, 24955, 25000, 27125, 28520, 28750, 31000, 32200, 35000, 35650, 38750, 39928, 40250, 43400, 43750, 46000, 49910, 50000, 54250, 57040, 57500, 62000, 64400, 70000, 71300, 71875, 77500, 79856, 80500, 86800, 87500, 89125, 96875, 99820, 100625, 108500, 115000, 124775, 135625, 142600, 143750, 155000, 161000, 175000, 178250, 193750, 199640, 201250, 217000, 230000, 249550, 271250, 285200, 287500, 310000, 322000, 350000, 356500, 387500, 399280, 402500, 434000, 445625, 499100, 503125, 542500, 575000, 623875, 678125, 713000, 775000, 805000, 891250, 998200, 1006250, 1085000, 1150000, 1247750, 1356250, 1426000, 1550000, 1610000, 1782500, 1996400, 2012500, 2170000, 2228125, 2495500, 2712500, 3119375, 3565000, 4025000, 4456250, 4991000, 5425000, 6238750, 7130000, 8050000, 8912500, 9982000, 10850000, 12477500, 15596875, 17825000, 24955000, 31193750, 35650000, 49910000, 62387500, 124775000, 249550000]

約数ペア:

[(1, 249550000), (2, 124775000), (4, 62387500), (5, 49910000), (7, 35650000), (8, 31193750), (10, 24955000), (14, 17825000), (16, 15596875), (20, 12477500), (23, 10850000), (25, 9982000), (28, 8912500), (31, 8050000), (35, 7130000), (40, 6238750), (46, 5425000), (50, 4991000), (56, 4456250), (62, 4025000), (70, 3565000), (80, 3119375), (92, 2712500), (100, 2495500), (112, 2228125), (115, 2170000), (124, 2012500), (125, 1996400), (140, 1782500), (155, 1610000), (161, 1550000), (175, 1426000), (184, 1356250), (200, 1247750), (217, 1150000), (230, 1085000), (248, 1006250), (250, 998200), (280, 891250), (310, 805000), (322, 775000), (350, 713000), (368, 678125), (400, 623875), (434, 575000), (460, 542500), (496, 503125), (500, 499100), (560, 445625), (575, 434000), (620, 402500), (625, 399280), (644, 387500), (700, 356500), (713, 350000), (775, 322000), (805, 310000), (868, 287500), (875, 285200), (920, 271250), (1000, 249550), (1085, 230000), (1150, 217000), (1240, 201250), (1250, 199640), (1288, 193750), (1400, 178250), (1426, 175000), (1550, 161000), (1610, 155000), (1736, 143750), (1750, 142600), (1840, 135625), (2000, 124775), (2170, 115000), (2300, 108500), (2480, 100625), (2500, 99820), (2576, 96875), (2800, 89125), (2852, 87500), (2875, 86800), (3100, 80500), (3125, 79856), (3220, 77500), (3472, 71875), (3500, 71300), (3565, 70000), (3875, 64400), (4025, 62000), (4340, 57500), (4375, 57040), (4600, 54250), (4991, 50000), (5000, 49910), (5425, 46000), (5704, 43750), (5750, 43400), (6200, 40250), (6250, 39928), (6440, 38750), (7000, 35650), (7130, 35000), (7750, 32200), (8050, 31000), (8680, 28750), (8750, 28520), (9200, 27125), (9982, 25000), (10000, 24955), (10850, 23000), (11408, 21875), (11500, 21700), (12400, 20125), (12500, 19964), (12880, 19375), (14000, 17825), (14260, 17500), (14375, 17360), (15500, 16100)]