290220000

素因数分解:

$2^5\times 3^1\times 5^4\times 7^1\times {\mathrm{691}}^1$

素因数の和:731

約数の個数: 240

約数和(自身を含む): 1089551232

約数和(自身を除く): 799331232

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, 691, 700, 750, 800, 840, 875, 1000, 1050, 1120, 1200, 1250, 1382, 1400, 1500, 1680, 1750, 1875, 2000, 2073, 2100, 2400, 2500, 2625, 2764, 2800, 3000, 3360, 3455, 3500, 3750, 4000, 4146, 4200, 4375, 4837, 5000, 5250, 5528, 5600, 6000, 6910, 7000, 7500, 8292, 8400, 8750, 9674, 10000, 10365, 10500, 11056, 12000, 13125, 13820, 14000, 14511, 15000, 16584, 16800, 17275, 17500, 19348, 20000, 20730, 21000, 22112, 24185, 26250, 27640, 28000, 29022, 30000, 33168, 34550, 35000, 38696, 41460, 42000, 48370, 51825, 52500, 55280, 58044, 60000, 66336, 69100, 70000, 72555, 77392, 82920, 84000, 86375, 96740, 103650, 105000, 110560, 116088, 120925, 138200, 140000, 145110, 154784, 165840, 172750, 193480, 207300, 210000, 232176, 241850, 259125, 276400, 290220, 331680, 345500, 362775, 386960, 414600, 420000, 431875, 464352, 483700, 518250, 552800, 580440, 604625, 691000, 725550, 773920, 829200, 863750, 967400, 1036500, 1160880, 1209250, 1295625, 1382000, 1451100, 1658400, 1727500, 1813875, 1934800, 2073000, 2321760, 2418500, 2591250, 2764000, 2902200, 3023125, 3455000, 3627750, 3869600, 4146000, 4837000, 5182500, 5804400, 6046250, 6910000, 7255500, 8292000, 9069375, 9674000, 10365000, 11608800, 12092500, 13820000, 14511000, 18138750, 19348000, 20730000, 24185000, 29022000, 36277500, 41460000, 48370000, 58044000, 72555000, 96740000, 145110000, 290220000]

約数ペア:

[(1, 290220000), (2, 145110000), (3, 96740000), (4, 72555000), (5, 58044000), (6, 48370000), (7, 41460000), (8, 36277500), (10, 29022000), (12, 24185000), (14, 20730000), (15, 19348000), (16, 18138750), (20, 14511000), (21, 13820000), (24, 12092500), (25, 11608800), (28, 10365000), (30, 9674000), (32, 9069375), (35, 8292000), (40, 7255500), (42, 6910000), (48, 6046250), (50, 5804400), (56, 5182500), (60, 4837000), (70, 4146000), (75, 3869600), (80, 3627750), (84, 3455000), (96, 3023125), (100, 2902200), (105, 2764000), (112, 2591250), (120, 2418500), (125, 2321760), (140, 2073000), (150, 1934800), (160, 1813875), (168, 1727500), (175, 1658400), (200, 1451100), (210, 1382000), (224, 1295625), (240, 1209250), (250, 1160880), (280, 1036500), (300, 967400), (336, 863750), (350, 829200), (375, 773920), (400, 725550), (420, 691000), (480, 604625), (500, 580440), (525, 552800), (560, 518250), (600, 483700), (625, 464352), (672, 431875), (691, 420000), (700, 414600), (750, 386960), (800, 362775), (840, 345500), (875, 331680), (1000, 290220), (1050, 276400), (1120, 259125), (1200, 241850), (1250, 232176), (1382, 210000), (1400, 207300), (1500, 193480), (1680, 172750), (1750, 165840), (1875, 154784), (2000, 145110), (2073, 140000), (2100, 138200), (2400, 120925), (2500, 116088), (2625, 110560), (2764, 105000), (2800, 103650), (3000, 96740), (3360, 86375), (3455, 84000), (3500, 82920), (3750, 77392), (4000, 72555), (4146, 70000), (4200, 69100), (4375, 66336), (4837, 60000), (5000, 58044), (5250, 55280), (5528, 52500), (5600, 51825), (6000, 48370), (6910, 42000), (7000, 41460), (7500, 38696), (8292, 35000), (8400, 34550), (8750, 33168), (9674, 30000), (10000, 29022), (10365, 28000), (10500, 27640), (11056, 26250), (12000, 24185), (13125, 22112), (13820, 21000), (14000, 20730), (14511, 20000), (15000, 19348), (16584, 17500), (16800, 17275)]