2139000

素因数分解:

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

素因数の和:78

約数の個数: 128

約数和(自身を含む): 7188480

約数和(自身を除く): 5049480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 25, 30, 31, 40, 46, 50, 60, 62, 69, 75, 92, 93, 100, 115, 120, 124, 125, 138, 150, 155, 184, 186, 200, 230, 248, 250, 276, 300, 310, 345, 372, 375, 460, 465, 500, 552, 575, 600, 620, 690, 713, 744, 750, 775, 920, 930, 1000, 1150, 1240, 1380, 1426, 1500, 1550, 1725, 1860, 2139, 2300, 2325, 2760, 2852, 2875, 3000, 3100, 3450, 3565, 3720, 3875, 4278, 4600, 4650, 5704, 5750, 6200, 6900, 7130, 7750, 8556, 8625, 9300, 10695, 11500, 11625, 13800, 14260, 15500, 17112, 17250, 17825, 18600, 21390, 23000, 23250, 28520, 31000, 34500, 35650, 42780, 46500, 53475, 69000, 71300, 85560, 89125, 93000, 106950, 142600, 178250, 213900, 267375, 356500, 427800, 534750, 713000, 1069500, 2139000]

約数ペア:

[(1, 2139000), (2, 1069500), (3, 713000), (4, 534750), (5, 427800), (6, 356500), (8, 267375), (10, 213900), (12, 178250), (15, 142600), (20, 106950), (23, 93000), (24, 89125), (25, 85560), (30, 71300), (31, 69000), (40, 53475), (46, 46500), (50, 42780), (60, 35650), (62, 34500), (69, 31000), (75, 28520), (92, 23250), (93, 23000), (100, 21390), (115, 18600), (120, 17825), (124, 17250), (125, 17112), (138, 15500), (150, 14260), (155, 13800), (184, 11625), (186, 11500), (200, 10695), (230, 9300), (248, 8625), (250, 8556), (276, 7750), (300, 7130), (310, 6900), (345, 6200), (372, 5750), (375, 5704), (460, 4650), (465, 4600), (500, 4278), (552, 3875), (575, 3720), (600, 3565), (620, 3450), (690, 3100), (713, 3000), (744, 2875), (750, 2852), (775, 2760), (920, 2325), (930, 2300), (1000, 2139), (1150, 1860), (1240, 1725), (1380, 1550), (1426, 1500)]