280838145000

素因数分解:

$2^3\times 3^1\times 5^4\times 7^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{239}}^1$

素因数の和:344

約数の個数: 960

約数和(自身を含む): 1096928870400

約数和(自身を除く): 816090725400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 24, 25, 28, 30, 31, 35, 38, 40, 42, 50, 56, 57, 60, 62, 70, 75, 76, 84, 93, 95, 100, 105, 114, 120, 124, 125, 133, 140, 150, 152, 155, 168, 175, 186, 190, 200, 210, 217, 228, 239, 248, 250, 266, 280, 285, 300, 310, 350, 361, 372, 375, 380, 399, 420, 434, 456, 465, 475, 478, 500, 525, 532, 570, 589, 600, 620, 625, 651, 665, 700, 717, 722, 744, 750, 760, 775, 798, 840, 868, 875, 930, 950, 956, 1000, 1050, 1064, 1083, 1085, 1140, 1178, 1195, 1240, 1250, 1302, 1330, 1400, 1425, 1434, 1444, 1500, 1550, 1596, 1673, 1736, 1750, 1767, 1805, 1860, 1875, 1900, 1912, 1995, 2100, 2166, 2170, 2280, 2325, 2356, 2375, 2390, 2500, 2527, 2604, 2625, 2660, 2850, 2868, 2888, 2945, 3000, 3100, 3192, 3255, 3325, 3346, 3500, 3534, 3585, 3610, 3720, 3750, 3800, 3875, 3990, 4123, 4200, 4332, 4340, 4375, 4541, 4650, 4712, 4750, 4780, 5000, 5019, 5054, 5208, 5250, 5320, 5415, 5425, 5700, 5736, 5890, 5975, 6200, 6510, 6650, 6692, 7000, 7068, 7125, 7170, 7220, 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約数ペア:

[(1, 280838145000), (2, 140419072500), (3, 93612715000), (4, 70209536250), (5, 56167629000), (6, 46806357500), (7, 40119735000), (8, 35104768125), (10, 28083814500), (12, 23403178750), (14, 20059867500), (15, 18722543000), (19, 14780955000), (20, 14041907250), (21, 13373245000), (24, 11701589375), (25, 11233525800), (28, 10029933750), (30, 9361271500), (31, 9059295000), (35, 8023947000), (38, 7390477500), (40, 7020953625), (42, 6686622500), (50, 5616762900), (56, 5014966875), (57, 4926985000), (60, 4680635750), (62, 4529647500), (70, 4011973500), (75, 3744508600), (76, 3695238750), (84, 3343311250), (93, 3019765000), (95, 2956191000), (100, 2808381450), (105, 2674649000), (114, 2463492500), (120, 2340317875), (124, 2264823750), (125, 2246705160), (133, 2111565000), (140, 2005986750), (150, 1872254300), (152, 1847619375), (155, 1811859000), (168, 1671655625), (175, 1604789400), (186, 1509882500), (190, 1478095500), (200, 1404190725), (210, 1337324500), (217, 1294185000), (228, 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