245227856

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{229}}^1$

素因数の和:412

約数の個数: 80

約数和(自身を含む): 525680640

約数和(自身を除く): 280452784

約数列:

[1, 2, 4, 8, 16, 17, 31, 34, 62, 68, 124, 127, 136, 229, 248, 254, 272, 458, 496, 508, 527, 916, 1016, 1054, 1832, 2032, 2108, 2159, 3664, 3893, 3937, 4216, 4318, 7099, 7786, 7874, 8432, 8636, 14198, 15572, 15748, 17272, 28396, 29083, 31144, 31496, 34544, 56792, 58166, 62288, 62992, 66929, 113584, 116332, 120683, 133858, 232664, 241366, 267716, 465328, 482732, 494411, 535432, 901573, 965464, 988822, 1070864, 1803146, 1930928, 1977644, 3606292, 3955288, 7212584, 7910576, 14425168, 15326741, 30653482, 61306964, 122613928, 245227856]

約数ペア:

[(1, 245227856), (2, 122613928), (4, 61306964), (8, 30653482), (16, 15326741), (17, 14425168), (31, 7910576), (34, 7212584), (62, 3955288), (68, 3606292), (124, 1977644), (127, 1930928), (136, 1803146), (229, 1070864), (248, 988822), (254, 965464), (272, 901573), (458, 535432), (496, 494411), (508, 482732), (527, 465328), (916, 267716), (1016, 241366), (1054, 232664), (1832, 133858), (2032, 120683), (2108, 116332), (2159, 113584), (3664, 66929), (3893, 62992), (3937, 62288), (4216, 58166), (4318, 56792), (7099, 34544), (7786, 31496), (7874, 31144), (8432, 29083), (8636, 28396), (14198, 17272), (15572, 15748)]