260428000

素因数分解:

$2^5\times 5^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1$

素因数の和:234

約数の個数: 192

約数和(自身を含む): 747242496

約数和(自身を除く): 486814496

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 70, 71, 80, 100, 112, 125, 131, 140, 142, 160, 175, 200, 224, 250, 262, 280, 284, 350, 355, 400, 497, 500, 524, 560, 568, 655, 700, 710, 800, 875, 917, 994, 1000, 1048, 1120, 1136, 1310, 1400, 1420, 1750, 1775, 1834, 1988, 2000, 2096, 2272, 2485, 2620, 2800, 2840, 3275, 3500, 3550, 3668, 3976, 4000, 4192, 4585, 4970, 5240, 5600, 5680, 6550, 7000, 7100, 7336, 7952, 8875, 9170, 9301, 9940, 10480, 11360, 12425, 13100, 14000, 14200, 14672, 15904, 16375, 17750, 18340, 18602, 19880, 20960, 22925, 24850, 26200, 28000, 28400, 29344, 32750, 35500, 36680, 37204, 39760, 45850, 46505, 49700, 52400, 56800, 62125, 65107, 65500, 71000, 73360, 74408, 79520, 91700, 93010, 99400, 104800, 114625, 124250, 130214, 131000, 142000, 146720, 148816, 183400, 186020, 198800, 229250, 232525, 248500, 260428, 262000, 284000, 297632, 325535, 366800, 372040, 397600, 458500, 465050, 497000, 520856, 524000, 651070, 733600, 744080, 917000, 930100, 994000, 1041712, 1162625, 1302140, 1488160, 1627675, 1834000, 1860200, 1988000, 2083424, 2325250, 2604280, 3255350, 3668000, 3720400, 4650500, 5208560, 6510700, 7440800, 8138375, 9301000, 10417120, 13021400, 16276750, 18602000, 26042800, 32553500, 37204000, 52085600, 65107000, 130214000, 260428000]

約数ペア:

[(1, 260428000), (2, 130214000), (4, 65107000), (5, 52085600), (7, 37204000), (8, 32553500), (10, 26042800), (14, 18602000), (16, 16276750), (20, 13021400), (25, 10417120), (28, 9301000), (32, 8138375), (35, 7440800), (40, 6510700), (50, 5208560), (56, 4650500), (70, 3720400), (71, 3668000), (80, 3255350), (100, 2604280), (112, 2325250), (125, 2083424), (131, 1988000), (140, 1860200), (142, 1834000), (160, 1627675), (175, 1488160), (200, 1302140), (224, 1162625), (250, 1041712), (262, 994000), (280, 930100), (284, 917000), (350, 744080), (355, 733600), (400, 651070), (497, 524000), (500, 520856), (524, 497000), (560, 465050), (568, 458500), (655, 397600), (700, 372040), (710, 366800), (800, 325535), (875, 297632), (917, 284000), (994, 262000), (1000, 260428), (1048, 248500), (1120, 232525), (1136, 229250), (1310, 198800), (1400, 186020), (1420, 183400), (1750, 148816), (1775, 146720), (1834, 142000), (1988, 131000), (2000, 130214), (2096, 124250), (2272, 114625), (2485, 104800), (2620, 99400), (2800, 93010), (2840, 91700), (3275, 79520), (3500, 74408), (3550, 73360), (3668, 71000), (3976, 65500), (4000, 65107), (4192, 62125), (4585, 56800), (4970, 52400), (5240, 49700), (5600, 46505), (5680, 45850), (6550, 39760), (7000, 37204), (7100, 36680), (7336, 35500), (7952, 32750), (8875, 29344), (9170, 28400), (9301, 28000), (9940, 26200), (10480, 24850), (11360, 22925), (12425, 20960), (13100, 19880), (14000, 18602), (14200, 18340), (14672, 17750), (15904, 16375)]