19809900

素因数分解:

$2^2\times 3^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1$

素因数の和:86

約数の個数: 288

約数和(自身を含む): 74995200

約数和(自身を除く): 55185300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 23, 25, 27, 29, 30, 33, 36, 44, 45, 46, 50, 54, 55, 58, 60, 66, 69, 75, 87, 90, 92, 99, 100, 108, 110, 115, 116, 132, 135, 138, 145, 150, 165, 174, 180, 198, 207, 220, 225, 230, 253, 261, 270, 275, 276, 290, 297, 300, 319, 330, 345, 348, 396, 414, 435, 450, 460, 495, 506, 522, 540, 550, 575, 580, 594, 621, 638, 660, 667, 675, 690, 725, 759, 783, 825, 828, 870, 900, 957, 990, 1012, 1035, 1044, 1100, 1150, 1188, 1242, 1265, 1276, 1305, 1334, 1350, 1380, 1450, 1485, 1518, 1566, 1595, 1650, 1725, 1740, 1914, 1980, 2001, 2070, 2175, 2277, 2300, 2475, 2484, 2530, 2610, 2668, 2700, 2871, 2900, 2970, 3036, 3105, 3132, 3190, 3300, 3335, 3450, 3795, 3828, 3915, 4002, 4140, 4350, 4554, 4785, 4950, 5060, 5175, 5220, 5742, 5940, 6003, 6210, 6325, 6380, 6525, 6670, 6831, 6900, 7337, 7425, 7590, 7830, 7975, 8004, 8613, 8700, 9108, 9570, 9900, 10005, 10350, 11385, 11484, 12006, 12420, 12650, 13050, 13340, 13662, 14355, 14674, 14850, 15180, 15525, 15660, 15950, 16675, 17226, 18009, 18975, 19140, 19575, 20010, 20700, 22011, 22770, 23925, 24012, 25300, 26100, 27324, 28710, 29348, 29700, 30015, 31050, 31900, 33350, 34155, 34452, 36018, 36685, 37950, 39150, 40020, 43065, 44022, 45540, 47850, 50025, 56925, 57420, 60030, 62100, 66033, 66700, 68310, 71775, 72036, 73370, 75900, 78300, 86130, 88044, 90045, 95700, 100050, 110055, 113850, 120060, 132066, 136620, 143550, 146740, 150075, 170775, 172260, 180090, 183425, 198099, 200100, 215325, 220110, 227700, 264132, 287100, 300150, 330165, 341550, 360180, 366850, 396198, 430650, 440220, 450225, 550275, 600300, 660330, 683100, 733700, 792396, 861300, 900450, 990495, 1100550, 1320660, 1650825, 1800900, 1980990, 2201100, 3301650, 3961980, 4952475, 6603300, 9904950, 19809900]

約数ペア:

[(1, 19809900), (2, 9904950), (3, 6603300), (4, 4952475), (5, 3961980), (6, 3301650), (9, 2201100), (10, 1980990), (11, 1800900), (12, 1650825), (15, 1320660), (18, 1100550), (20, 990495), (22, 900450), (23, 861300), (25, 792396), (27, 733700), (29, 683100), (30, 660330), (33, 600300), (36, 550275), (44, 450225), (45, 440220), (46, 430650), (50, 396198), (54, 366850), (55, 360180), (58, 341550), (60, 330165), (66, 300150), (69, 287100), (75, 264132), (87, 227700), (90, 220110), (92, 215325), (99, 200100), (100, 198099), (108, 183425), (110, 180090), (115, 172260), (116, 170775), (132, 150075), (135, 146740), (138, 143550), (145, 136620), (150, 132066), (165, 120060), (174, 113850), (180, 110055), (198, 100050), (207, 95700), (220, 90045), (225, 88044), (230, 86130), (253, 78300), (261, 75900), (270, 73370), (275, 72036), (276, 71775), (290, 68310), (297, 66700), (300, 66033), (319, 62100), (330, 60030), (345, 57420), (348, 56925), (396, 50025), (414, 47850), (435, 45540), (450, 44022), (460, 43065), (495, 40020), (506, 39150), (522, 37950), (540, 36685), (550, 36018), (575, 34452), (580, 34155), (594, 33350), (621, 31900), (638, 31050), (660, 30015), (667, 29700), (675, 29348), (690, 28710), (725, 27324), (759, 26100), (783, 25300), (825, 24012), (828, 23925), (870, 22770), (900, 22011), (957, 20700), (990, 20010), (1012, 19575), (1035, 19140), (1044, 18975), (1100, 18009), (1150, 17226), (1188, 16675), (1242, 15950), (1265, 15660), (1276, 15525), (1305, 15180), (1334, 14850), (1350, 14674), (1380, 14355), (1450, 13662), (1485, 13340), (1518, 13050), (1566, 12650), (1595, 12420), (1650, 12006), (1725, 11484), (1740, 11385), (1914, 10350), (1980, 10005), (2001, 9900), (2070, 9570), (2175, 9108), (2277, 8700), (2300, 8613), (2475, 8004), (2484, 7975), (2530, 7830), (2610, 7590), (2668, 7425), (2700, 7337), (2871, 6900), (2900, 6831), (2970, 6670), (3036, 6525), (3105, 6380), (3132, 6325), (3190, 6210), (3300, 6003), (3335, 5940), (3450, 5742), (3795, 5220), (3828, 5175), (3915, 5060), (4002, 4950), (4140, 4785), (4350, 4554)]