49910000

素因数分解:

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

素因数の和:89

約数の個数: 200

約数和(自身を含む): 148752384

約数和(自身を除く): 98842384

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, 3220, 3472, 3500, 3565, 3875, 4025, 4340, 4375, 4600, 4991, 5000, 5425, 5704, 5750, 6200, 6440, 7000, 7130, 7750, 8050, 8680, 8750, 9200, 9982, 10000, 10850, 11408, 11500, 12400, 12880, 14000, 14260, 14375, 15500, 16100, 17360, 17500, 17825, 19375, 19964, 20125, 21700, 23000, 24955, 27125, 28520, 28750, 31000, 32200, 35000, 35650, 38750, 39928, 40250, 43400, 46000, 49910, 54250, 57040, 57500, 62000, 64400, 70000, 71300, 77500, 79856, 80500, 86800, 89125, 99820, 100625, 108500, 115000, 124775, 135625, 142600, 155000, 161000, 178250, 199640, 201250, 217000, 230000, 249550, 271250, 285200, 310000, 322000, 356500, 399280, 402500, 434000, 445625, 499100, 542500, 623875, 713000, 805000, 891250, 998200, 1085000, 1247750, 1426000, 1610000, 1782500, 1996400, 2170000, 2495500, 3119375, 3565000, 4991000, 6238750, 7130000, 9982000, 12477500, 24955000, 49910000]

約数ペア:

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