808213450

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:221

約数の個数: 144

約数和(自身を含む): 1781136000

約数和(自身を除く): 972922550

約数列:

[1, 2, 5, 10, 11, 19, 22, 25, 38, 50, 55, 79, 89, 95, 110, 121, 158, 178, 190, 209, 242, 275, 395, 418, 445, 475, 550, 605, 790, 869, 890, 950, 979, 1045, 1210, 1501, 1691, 1738, 1958, 1975, 2090, 2225, 2299, 3002, 3025, 3382, 3950, 4345, 4450, 4598, 4895, 5225, 6050, 7031, 7505, 8455, 8690, 9559, 9790, 10450, 10769, 11495, 14062, 15010, 16511, 16910, 18601, 19118, 21538, 21725, 22990, 24475, 33022, 35155, 37202, 37525, 42275, 43450, 47795, 48950, 53845, 57475, 70310, 75050, 77341, 82555, 84550, 93005, 95590, 107690, 114950, 133589, 154682, 165110, 175775, 181621, 186010, 204611, 238975, 267178, 269225, 351550, 363242, 386705, 409222, 412775, 465025, 477950, 538450, 667945, 773410, 825550, 850751, 908105, 930050, 1023055, 1335890, 1469479, 1701502, 1816210, 1933525, 2046110, 2938958, 3339725, 3867050, 4253755, 4540525, 5115275, 6679450, 7347395, 8507510, 9081050, 10230550, 14694790, 16164269, 21268775, 32328538, 36736975, 42537550, 73473950, 80821345, 161642690, 404106725, 808213450]

約数ペア:

[(1, 808213450), (2, 404106725), (5, 161642690), (10, 80821345), (11, 73473950), (19, 42537550), (22, 36736975), (25, 32328538), (38, 21268775), (50, 16164269), (55, 14694790), (79, 10230550), (89, 9081050), (95, 8507510), (110, 7347395), (121, 6679450), (158, 5115275), (178, 4540525), (190, 4253755), (209, 3867050), (242, 3339725), (275, 2938958), (395, 2046110), (418, 1933525), (445, 1816210), (475, 1701502), (550, 1469479), (605, 1335890), (790, 1023055), (869, 930050), (890, 908105), (950, 850751), (979, 825550), (1045, 773410), (1210, 667945), (1501, 538450), (1691, 477950), (1738, 465025), (1958, 412775), (1975, 409222), (2090, 386705), (2225, 363242), (2299, 351550), (3002, 269225), (3025, 267178), (3382, 238975), (3950, 204611), (4345, 186010), (4450, 181621), (4598, 175775), (4895, 165110), (5225, 154682), (6050, 133589), (7031, 114950), (7505, 107690), (8455, 95590), (8690, 93005), (9559, 84550), (9790, 82555), (10450, 77341), (10769, 75050), (11495, 70310), (14062, 57475), (15010, 53845), (16511, 48950), (16910, 47795), (18601, 43450), (19118, 42275), (21538, 37525), (21725, 37202), (22990, 35155), (24475, 33022)]