819420000

素因数分解:

$2^5\times 3^1\times 5^4\times 7^1\times {\mathrm{1951}}^1$

素因数の和:1991

約数の個数: 240

約数和(自身を含む): 3073416192

約数和(自身を除く): 2253996192

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 25, 28, 30, 32, 35, 40, 42, 48, 50, 56, 60, 70, 75, 80, 84, 96, 100, 105, 112, 120, 125, 140, 150, 160, 168, 175, 200, 210, 224, 240, 250, 280, 300, 336, 350, 375, 400, 420, 480, 500, 525, 560, 600, 625, 672, 700, 750, 800, 840, 875, 1000, 1050, 1120, 1200, 1250, 1400, 1500, 1680, 1750, 1875, 1951, 2000, 2100, 2400, 2500, 2625, 2800, 3000, 3360, 3500, 3750, 3902, 4000, 4200, 4375, 5000, 5250, 5600, 5853, 6000, 7000, 7500, 7804, 8400, 8750, 9755, 10000, 10500, 11706, 12000, 13125, 13657, 14000, 15000, 15608, 16800, 17500, 19510, 20000, 21000, 23412, 26250, 27314, 28000, 29265, 30000, 31216, 35000, 39020, 40971, 42000, 46824, 48775, 52500, 54628, 58530, 60000, 62432, 68285, 70000, 78040, 81942, 84000, 93648, 97550, 105000, 109256, 117060, 136570, 140000, 146325, 156080, 163884, 187296, 195100, 204855, 210000, 218512, 234120, 243875, 273140, 292650, 312160, 327768, 341425, 390200, 409710, 420000, 437024, 468240, 487750, 546280, 585300, 655536, 682850, 731625, 780400, 819420, 936480, 975500, 1024275, 1092560, 1170600, 1219375, 1311072, 1365700, 1463250, 1560800, 1638840, 1707125, 1951000, 2048550, 2185120, 2341200, 2438750, 2731400, 2926500, 3277680, 3414250, 3658125, 3902000, 4097100, 4682400, 4877500, 5121375, 5462800, 5853000, 6555360, 6828500, 7316250, 7804000, 8194200, 8535625, 9755000, 10242750, 10925600, 11706000, 13657000, 14632500, 16388400, 17071250, 19510000, 20485500, 23412000, 25606875, 27314000, 29265000, 32776800, 34142500, 39020000, 40971000, 51213750, 54628000, 58530000, 68285000, 81942000, 102427500, 117060000, 136570000, 163884000, 204855000, 273140000, 409710000, 819420000]

約数ペア:

[(1, 819420000), (2, 409710000), (3, 273140000), (4, 204855000), (5, 163884000), (6, 136570000), (7, 117060000), (8, 102427500), (10, 81942000), (12, 68285000), (14, 58530000), (15, 54628000), (16, 51213750), (20, 40971000), (21, 39020000), (24, 34142500), (25, 32776800), (28, 29265000), (30, 27314000), (32, 25606875), (35, 23412000), (40, 20485500), (42, 19510000), (48, 17071250), (50, 16388400), (56, 14632500), (60, 13657000), (70, 11706000), (75, 10925600), (80, 10242750), (84, 9755000), (96, 8535625), (100, 8194200), (105, 7804000), (112, 7316250), (120, 6828500), (125, 6555360), (140, 5853000), (150, 5462800), (160, 5121375), (168, 4877500), (175, 4682400), (200, 4097100), (210, 3902000), (224, 3658125), (240, 3414250), (250, 3277680), (280, 2926500), (300, 2731400), (336, 2438750), (350, 2341200), (375, 2185120), (400, 2048550), (420, 1951000), (480, 1707125), (500, 1638840), (525, 1560800), (560, 1463250), (600, 1365700), (625, 1311072), (672, 1219375), (700, 1170600), (750, 1092560), (800, 1024275), (840, 975500), (875, 936480), (1000, 819420), (1050, 780400), (1120, 731625), (1200, 682850), (1250, 655536), (1400, 585300), (1500, 546280), (1680, 487750), (1750, 468240), (1875, 437024), (1951, 420000), (2000, 409710), (2100, 390200), (2400, 341425), (2500, 327768), (2625, 312160), (2800, 292650), (3000, 273140), (3360, 243875), (3500, 234120), (3750, 218512), (3902, 210000), (4000, 204855), (4200, 195100), (4375, 187296), (5000, 163884), (5250, 156080), (5600, 146325), (5853, 140000), (6000, 136570), (7000, 117060), (7500, 109256), (7804, 105000), (8400, 97550), (8750, 93648), (9755, 84000), (10000, 81942), (10500, 78040), (11706, 70000), (12000, 68285), (13125, 62432), (13657, 60000), (14000, 58530), (15000, 54628), (15608, 52500), (16800, 48775), (17500, 46824), (19510, 42000), (20000, 40971), (21000, 39020), (23412, 35000), (26250, 31216), (27314, 30000), (28000, 29265)]