181727000

素因数分解:

$2^3\times 5^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1997}}^1$

素因数の和:2038

約数の個数: 128

約数和(自身を含む): 523635840

約数和(自身を除く): 341908840

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 25, 26, 28, 35, 40, 50, 52, 56, 65, 70, 91, 100, 104, 125, 130, 140, 175, 182, 200, 250, 260, 280, 325, 350, 364, 455, 500, 520, 650, 700, 728, 875, 910, 1000, 1300, 1400, 1625, 1750, 1820, 1997, 2275, 2600, 3250, 3500, 3640, 3994, 4550, 6500, 7000, 7988, 9100, 9985, 11375, 13000, 13979, 15976, 18200, 19970, 22750, 25961, 27958, 39940, 45500, 49925, 51922, 55916, 69895, 79880, 91000, 99850, 103844, 111832, 129805, 139790, 181727, 199700, 207688, 249625, 259610, 279580, 349475, 363454, 399400, 499250, 519220, 559160, 649025, 698950, 726908, 908635, 998500, 1038440, 1298050, 1397900, 1453816, 1747375, 1817270, 1997000, 2596100, 2795800, 3245125, 3494750, 3634540, 4543175, 5192200, 6490250, 6989500, 7269080, 9086350, 12980500, 13979000, 18172700, 22715875, 25961000, 36345400, 45431750, 90863500, 181727000]

約数ペア:

[(1, 181727000), (2, 90863500), (4, 45431750), (5, 36345400), (7, 25961000), (8, 22715875), (10, 18172700), (13, 13979000), (14, 12980500), (20, 9086350), (25, 7269080), (26, 6989500), (28, 6490250), (35, 5192200), (40, 4543175), (50, 3634540), (52, 3494750), (56, 3245125), (65, 2795800), (70, 2596100), (91, 1997000), (100, 1817270), (104, 1747375), (125, 1453816), (130, 1397900), (140, 1298050), (175, 1038440), (182, 998500), (200, 908635), (250, 726908), (260, 698950), (280, 649025), (325, 559160), (350, 519220), (364, 499250), (455, 399400), (500, 363454), (520, 349475), (650, 279580), (700, 259610), (728, 249625), (875, 207688), (910, 199700), (1000, 181727), (1300, 139790), (1400, 129805), (1625, 111832), (1750, 103844), (1820, 99850), (1997, 91000), (2275, 79880), (2600, 69895), (3250, 55916), (3500, 51922), (3640, 49925), (3994, 45500), (4550, 39940), (6500, 27958), (7000, 25961), (7988, 22750), (9100, 19970), (9985, 18200), (11375, 15976), (13000, 13979)]