9982000

素因数分解:

$2^4\times 5^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1$

素因数の和:84

約数の個数: 160

約数和(自身を含む): 29712384

約数和(自身を除く): 19730384

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, 644, 700, 713, 775, 805, 868, 875, 920, 1000, 1085, 1150, 1240, 1288, 1400, 1426, 1550, 1610, 1736, 1750, 1840, 2000, 2170, 2300, 2480, 2576, 2800, 2852, 2875, 3100, 3220, 3472, 3500, 3565, 3875, 4025, 4340, 4600, 4991, 5425, 5704, 5750, 6200, 6440, 7000, 7130, 7750, 8050, 8680, 9200, 9982, 10850, 11408, 11500, 12400, 12880, 14000, 14260, 15500, 16100, 17360, 17825, 19964, 20125, 21700, 23000, 24955, 27125, 28520, 31000, 32200, 35650, 39928, 40250, 43400, 46000, 49910, 54250, 57040, 62000, 64400, 71300, 79856, 80500, 86800, 89125, 99820, 108500, 124775, 142600, 161000, 178250, 199640, 217000, 249550, 285200, 322000, 356500, 399280, 434000, 499100, 623875, 713000, 998200, 1247750, 1426000, 1996400, 2495500, 4991000, 9982000]

約数ペア:

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