215306000

素因数分解:

$2^4\times 5^3\times 7^2\times {\mathrm{13}}^3$

素因数の和:76

約数の個数: 240

約数和(自身を含む): 656051760

約数和(自身を除く): 440745760

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 25, 26, 28, 35, 40, 49, 50, 52, 56, 65, 70, 80, 91, 98, 100, 104, 112, 125, 130, 140, 169, 175, 182, 196, 200, 208, 245, 250, 260, 280, 325, 338, 350, 364, 392, 400, 455, 490, 500, 520, 560, 637, 650, 676, 700, 728, 784, 845, 875, 910, 980, 1000, 1040, 1183, 1225, 1274, 1300, 1352, 1400, 1456, 1625, 1690, 1750, 1820, 1960, 2000, 2197, 2275, 2366, 2450, 2548, 2600, 2704, 2800, 3185, 3250, 3380, 3500, 3640, 3920, 4225, 4394, 4550, 4732, 4900, 5096, 5200, 5915, 6125, 6370, 6500, 6760, 7000, 7280, 8281, 8450, 8788, 9100, 9464, 9800, 10192, 10985, 11375, 11830, 12250, 12740, 13000, 13520, 14000, 15379, 15925, 16562, 16900, 17576, 18200, 18928, 19600, 21125, 21970, 22750, 23660, 24500, 25480, 26000, 29575, 30758, 31850, 33124, 33800, 35152, 36400, 41405, 42250, 43940, 45500, 47320, 49000, 50960, 54925, 59150, 61516, 63700, 66248, 67600, 76895, 79625, 82810, 84500, 87880, 91000, 94640, 98000, 107653, 109850, 118300, 123032, 127400, 132496, 147875, 153790, 159250, 165620, 169000, 175760, 182000, 207025, 215306, 219700, 236600, 246064, 254800, 274625, 295750, 307580, 318500, 331240, 338000, 384475, 414050, 430612, 439400, 473200, 538265, 549250, 591500, 615160, 637000, 662480, 768950, 828100, 861224, 878800, 1035125, 1076530, 1098500, 1183000, 1230320, 1274000, 1537900, 1656200, 1722448, 1922375, 2070250, 2153060, 2197000, 2366000, 2691325, 3075800, 3312400, 3844750, 4140500, 4306120, 4394000, 5382650, 6151600, 7689500, 8281000, 8612240, 10765300, 13456625, 15379000, 16562000, 21530600, 26913250, 30758000, 43061200, 53826500, 107653000, 215306000]

約数ペア:

[(1, 215306000), (2, 107653000), (4, 53826500), (5, 43061200), (7, 30758000), (8, 26913250), (10, 21530600), (13, 16562000), (14, 15379000), (16, 13456625), (20, 10765300), (25, 8612240), (26, 8281000), (28, 7689500), (35, 6151600), (40, 5382650), (49, 4394000), (50, 4306120), (52, 4140500), (56, 3844750), (65, 3312400), (70, 3075800), (80, 2691325), (91, 2366000), (98, 2197000), (100, 2153060), (104, 2070250), (112, 1922375), (125, 1722448), (130, 1656200), (140, 1537900), (169, 1274000), (175, 1230320), (182, 1183000), (196, 1098500), (200, 1076530), (208, 1035125), (245, 878800), (250, 861224), (260, 828100), (280, 768950), (325, 662480), (338, 637000), (350, 615160), (364, 591500), (392, 549250), (400, 538265), (455, 473200), (490, 439400), (500, 430612), (520, 414050), (560, 384475), (637, 338000), (650, 331240), (676, 318500), (700, 307580), (728, 295750), (784, 274625), (845, 254800), (875, 246064), (910, 236600), (980, 219700), (1000, 215306), (1040, 207025), (1183, 182000), (1225, 175760), (1274, 169000), (1300, 165620), (1352, 159250), (1400, 153790), (1456, 147875), (1625, 132496), (1690, 127400), (1750, 123032), (1820, 118300), (1960, 109850), (2000, 107653), (2197, 98000), (2275, 94640), (2366, 91000), (2450, 87880), (2548, 84500), (2600, 82810), (2704, 79625), (2800, 76895), (3185, 67600), (3250, 66248), (3380, 63700), (3500, 61516), (3640, 59150), (3920, 54925), (4225, 50960), (4394, 49000), (4550, 47320), (4732, 45500), (4900, 43940), (5096, 42250), (5200, 41405), (5915, 36400), (6125, 35152), (6370, 33800), (6500, 33124), (6760, 31850), (7000, 30758), (7280, 29575), (8281, 26000), (8450, 25480), (8788, 24500), (9100, 23660), (9464, 22750), (9800, 21970), (10192, 21125), (10985, 19600), (11375, 18928), (11830, 18200), (12250, 17576), (12740, 16900), (13000, 16562), (13520, 15925), (14000, 15379)]