218785000

素因数分解:

$2^3\times 5^4\times 7^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1$

素因数の和:106

約数の個数: 240

約数和(自身を含む): 641044800

約数和(自身を除く): 422259800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 25, 28, 35, 38, 40, 47, 49, 50, 56, 70, 76, 94, 95, 98, 100, 125, 133, 140, 152, 175, 188, 190, 196, 200, 235, 245, 250, 266, 280, 329, 350, 376, 380, 392, 470, 475, 490, 500, 532, 625, 658, 665, 700, 760, 875, 893, 931, 940, 950, 980, 1000, 1064, 1175, 1225, 1250, 1316, 1330, 1400, 1645, 1750, 1786, 1862, 1880, 1900, 1960, 2303, 2350, 2375, 2450, 2500, 2632, 2660, 3290, 3325, 3500, 3572, 3724, 3800, 4375, 4465, 4606, 4655, 4700, 4750, 4900, 5000, 5320, 5875, 6125, 6251, 6580, 6650, 7000, 7144, 7448, 8225, 8750, 8930, 9212, 9310, 9400, 9500, 9800, 11515, 11750, 11875, 12250, 12502, 13160, 13300, 16450, 16625, 17500, 17860, 18424, 18620, 19000, 22325, 23030, 23275, 23500, 23750, 24500, 25004, 26600, 29375, 30625, 31255, 32900, 33250, 35000, 35720, 37240, 41125, 43757, 44650, 46060, 46550, 47000, 47500, 49000, 50008, 57575, 58750, 61250, 62510, 65800, 66500, 82250, 83125, 87514, 89300, 92120, 93100, 95000, 111625, 115150, 116375, 117500, 122500, 125020, 133000, 156275, 164500, 166250, 175028, 178600, 186200, 205625, 218785, 223250, 230300, 232750, 235000, 245000, 250040, 287875, 312550, 329000, 332500, 350056, 411250, 437570, 446500, 460600, 465500, 558125, 575750, 581875, 625100, 665000, 781375, 822500, 875140, 893000, 931000, 1093925, 1116250, 1151500, 1163750, 1250200, 1439375, 1562750, 1645000, 1750280, 2187850, 2232500, 2303000, 2327500, 2878750, 3125500, 3906875, 4375700, 4465000, 4655000, 5469625, 5757500, 6251000, 7813750, 8751400, 10939250, 11515000, 15627500, 21878500, 27348125, 31255000, 43757000, 54696250, 109392500, 218785000]

約数ペア:

[(1, 218785000), (2, 109392500), (4, 54696250), (5, 43757000), (7, 31255000), (8, 27348125), (10, 21878500), (14, 15627500), (19, 11515000), (20, 10939250), (25, 8751400), (28, 7813750), (35, 6251000), (38, 5757500), (40, 5469625), (47, 4655000), (49, 4465000), (50, 4375700), (56, 3906875), (70, 3125500), (76, 2878750), (94, 2327500), (95, 2303000), (98, 2232500), (100, 2187850), (125, 1750280), (133, 1645000), (140, 1562750), (152, 1439375), (175, 1250200), (188, 1163750), (190, 1151500), (196, 1116250), (200, 1093925), (235, 931000), (245, 893000), (250, 875140), (266, 822500), (280, 781375), (329, 665000), (350, 625100), (376, 581875), (380, 575750), (392, 558125), (470, 465500), (475, 460600), (490, 446500), (500, 437570), (532, 411250), (625, 350056), (658, 332500), (665, 329000), (700, 312550), (760, 287875), (875, 250040), (893, 245000), (931, 235000), (940, 232750), (950, 230300), (980, 223250), (1000, 218785), (1064, 205625), (1175, 186200), (1225, 178600), (1250, 175028), (1316, 166250), (1330, 164500), (1400, 156275), (1645, 133000), (1750, 125020), (1786, 122500), (1862, 117500), (1880, 116375), (1900, 115150), (1960, 111625), (2303, 95000), (2350, 93100), (2375, 92120), (2450, 89300), (2500, 87514), (2632, 83125), (2660, 82250), (3290, 66500), (3325, 65800), (3500, 62510), (3572, 61250), (3724, 58750), (3800, 57575), (4375, 50008), (4465, 49000), (4606, 47500), (4655, 47000), (4700, 46550), (4750, 46060), (4900, 44650), (5000, 43757), (5320, 41125), (5875, 37240), (6125, 35720), (6251, 35000), (6580, 33250), (6650, 32900), (7000, 31255), (7144, 30625), (7448, 29375), (8225, 26600), (8750, 25004), (8930, 24500), (9212, 23750), (9310, 23500), (9400, 23275), (9500, 23030), (9800, 22325), (11515, 19000), (11750, 18620), (11875, 18424), (12250, 17860), (12502, 17500), (13160, 16625), (13300, 16450)]