176890000

素因数分解:

$2^4\times 5^4\times 7^2\times {\mathrm{19}}^2$

素因数の和:80

約数の個数: 225

約数和(自身を含む): 525790287

約数和(自身を除く): 348900287

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 25, 28, 35, 38, 40, 49, 50, 56, 70, 76, 80, 95, 98, 100, 112, 125, 133, 140, 152, 175, 190, 196, 200, 245, 250, 266, 280, 304, 350, 361, 380, 392, 400, 475, 490, 500, 532, 560, 625, 665, 700, 722, 760, 784, 875, 931, 950, 980, 1000, 1064, 1225, 1250, 1330, 1400, 1444, 1520, 1750, 1805, 1862, 1900, 1960, 2000, 2128, 2375, 2450, 2500, 2527, 2660, 2800, 2888, 3325, 3500, 3610, 3724, 3800, 3920, 4375, 4655, 4750, 4900, 5000, 5054, 5320, 5776, 6125, 6650, 7000, 7220, 7448, 7600, 8750, 9025, 9310, 9500, 9800, 10000, 10108, 10640, 11875, 12250, 12635, 13300, 14000, 14440, 14896, 16625, 17500, 17689, 18050, 18620, 19000, 19600, 20216, 23275, 23750, 24500, 25270, 26600, 28880, 30625, 33250, 35000, 35378, 36100, 37240, 38000, 40432, 45125, 46550, 47500, 49000, 50540, 53200, 61250, 63175, 66500, 70000, 70756, 72200, 74480, 83125, 88445, 90250, 93100, 95000, 98000, 101080, 116375, 122500, 126350, 133000, 141512, 144400, 166250, 176890, 180500, 186200, 190000, 202160, 225625, 232750, 245000, 252700, 266000, 283024, 315875, 332500, 353780, 361000, 372400, 442225, 451250, 465500, 490000, 505400, 581875, 631750, 665000, 707560, 722000, 884450, 902500, 931000, 1010800, 1163750, 1263500, 1330000, 1415120, 1579375, 1768900, 1805000, 1862000, 2211125, 2327500, 2527000, 3158750, 3537800, 3610000, 4422250, 4655000, 5054000, 6317500, 7075600, 8844500, 9310000, 11055625, 12635000, 17689000, 22111250, 25270000, 35378000, 44222500, 88445000, 176890000]

約数ペア:

[(1, 176890000), (2, 88445000), (4, 44222500), (5, 35378000), (7, 25270000), (8, 22111250), (10, 17689000), (14, 12635000), (16, 11055625), (19, 9310000), (20, 8844500), (25, 7075600), (28, 6317500), (35, 5054000), (38, 4655000), (40, 4422250), (49, 3610000), (50, 3537800), (56, 3158750), (70, 2527000), (76, 2327500), (80, 2211125), (95, 1862000), (98, 1805000), (100, 1768900), (112, 1579375), (125, 1415120), (133, 1330000), (140, 1263500), (152, 1163750), (175, 1010800), (190, 931000), (196, 902500), (200, 884450), (245, 722000), (250, 707560), (266, 665000), (280, 631750), (304, 581875), (350, 505400), (361, 490000), (380, 465500), (392, 451250), (400, 442225), (475, 372400), (490, 361000), (500, 353780), (532, 332500), (560, 315875), (625, 283024), (665, 266000), (700, 252700), (722, 245000), (760, 232750), (784, 225625), (875, 202160), (931, 190000), (950, 186200), (980, 180500), (1000, 176890), (1064, 166250), (1225, 144400), (1250, 141512), (1330, 133000), (1400, 126350), (1444, 122500), (1520, 116375), (1750, 101080), (1805, 98000), (1862, 95000), (1900, 93100), (1960, 90250), (2000, 88445), (2128, 83125), (2375, 74480), (2450, 72200), (2500, 70756), (2527, 70000), (2660, 66500), (2800, 63175), (2888, 61250), (3325, 53200), (3500, 50540), (3610, 49000), (3724, 47500), (3800, 46550), (3920, 45125), (4375, 40432), (4655, 38000), (4750, 37240), (4900, 36100), (5000, 35378), (5054, 35000), (5320, 33250), (5776, 30625), (6125, 28880), (6650, 26600), (7000, 25270), (7220, 24500), (7448, 23750), (7600, 23275), (8750, 20216), (9025, 19600), (9310, 19000), (9500, 18620), (9800, 18050), (10000, 17689), (10108, 17500), (10640, 16625), (11875, 14896), (12250, 14440), (12635, 14000)]