248446660

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1213}}^1$

素因数の和:1266

約数の個数: 144

約数和(自身を含む): 697515840

約数和(自身を除く): 449069180

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 19, 20, 22, 28, 35, 38, 44, 49, 55, 70, 76, 77, 95, 98, 110, 133, 140, 154, 190, 196, 209, 220, 245, 266, 308, 380, 385, 418, 490, 532, 539, 665, 770, 836, 931, 980, 1045, 1078, 1213, 1330, 1463, 1540, 1862, 2090, 2156, 2426, 2660, 2695, 2926, 3724, 4180, 4655, 4852, 5390, 5852, 6065, 7315, 8491, 9310, 10241, 10780, 12130, 13343, 14630, 16982, 18620, 20482, 23047, 24260, 26686, 29260, 33964, 40964, 42455, 46094, 51205, 53372, 59437, 66715, 84910, 92188, 93401, 102410, 115235, 118874, 133430, 161329, 169820, 186802, 204820, 230470, 237748, 253517, 266860, 297185, 322658, 373604, 460940, 467005, 507034, 594370, 645316, 653807, 806645, 934010, 1014068, 1129303, 1188740, 1267585, 1307614, 1613290, 1774619, 1868020, 2258606, 2535170, 2615228, 3226580, 3269035, 3549238, 4517212, 5070340, 5646515, 6538070, 7098476, 8873095, 11293030, 12422333, 13076140, 17746190, 22586060, 24844666, 35492380, 49689332, 62111665, 124223330, 248446660]

約数ペア:

[(1, 248446660), (2, 124223330), (4, 62111665), (5, 49689332), (7, 35492380), (10, 24844666), (11, 22586060), (14, 17746190), (19, 13076140), (20, 12422333), (22, 11293030), (28, 8873095), (35, 7098476), (38, 6538070), (44, 5646515), (49, 5070340), (55, 4517212), (70, 3549238), (76, 3269035), (77, 3226580), (95, 2615228), (98, 2535170), (110, 2258606), (133, 1868020), (140, 1774619), (154, 1613290), (190, 1307614), (196, 1267585), (209, 1188740), (220, 1129303), (245, 1014068), (266, 934010), (308, 806645), (380, 653807), (385, 645316), (418, 594370), (490, 507034), (532, 467005), (539, 460940), (665, 373604), (770, 322658), (836, 297185), (931, 266860), (980, 253517), (1045, 237748), (1078, 230470), (1213, 204820), (1330, 186802), (1463, 169820), (1540, 161329), (1862, 133430), (2090, 118874), (2156, 115235), (2426, 102410), (2660, 93401), (2695, 92188), (2926, 84910), (3724, 66715), (4180, 59437), (4655, 53372), (4852, 51205), (5390, 46094), (5852, 42455), (6065, 40964), (7315, 33964), (8491, 29260), (9310, 26686), (10241, 24260), (10780, 23047), (12130, 20482), (13343, 18620), (14630, 16982)]