1729000

素因数分解:

$2^3\times 5^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1$

素因数の和:60

約数の個数: 128

約数和(自身を含む): 5241600

約数和(自身を除く): 3512600

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 19, 20, 25, 26, 28, 35, 38, 40, 50, 52, 56, 65, 70, 76, 91, 95, 100, 104, 125, 130, 133, 140, 152, 175, 182, 190, 200, 247, 250, 260, 266, 280, 325, 350, 364, 380, 455, 475, 494, 500, 520, 532, 650, 665, 700, 728, 760, 875, 910, 950, 988, 1000, 1064, 1235, 1300, 1330, 1400, 1625, 1729, 1750, 1820, 1900, 1976, 2275, 2375, 2470, 2600, 2660, 3250, 3325, 3458, 3500, 3640, 3800, 4550, 4750, 4940, 5320, 6175, 6500, 6650, 6916, 7000, 8645, 9100, 9500, 9880, 11375, 12350, 13000, 13300, 13832, 16625, 17290, 18200, 19000, 22750, 24700, 26600, 30875, 33250, 34580, 43225, 45500, 49400, 61750, 66500, 69160, 86450, 91000, 123500, 133000, 172900, 216125, 247000, 345800, 432250, 864500, 1729000]

約数ペア:

[(1, 1729000), (2, 864500), (4, 432250), (5, 345800), (7, 247000), (8, 216125), (10, 172900), (13, 133000), (14, 123500), (19, 91000), (20, 86450), (25, 69160), (26, 66500), (28, 61750), (35, 49400), (38, 45500), (40, 43225), (50, 34580), (52, 33250), (56, 30875), (65, 26600), (70, 24700), (76, 22750), (91, 19000), (95, 18200), (100, 17290), (104, 16625), (125, 13832), (130, 13300), (133, 13000), (140, 12350), (152, 11375), (175, 9880), (182, 9500), (190, 9100), (200, 8645), (247, 7000), (250, 6916), (260, 6650), (266, 6500), (280, 6175), (325, 5320), (350, 4940), (364, 4750), (380, 4550), (455, 3800), (475, 3640), (494, 3500), (500, 3458), (520, 3325), (532, 3250), (650, 2660), (665, 2600), (700, 2470), (728, 2375), (760, 2275), (875, 1976), (910, 1900), (950, 1820), (988, 1750), (1000, 1729), (1064, 1625), (1235, 1400), (1300, 1330)]