257077808

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1$

素因数の和:199

約数の個数: 160

約数和(自身を含む): 618710400

約数和(自身を除く): 361632592

約数列:

[1, 2, 4, 8, 13, 16, 17, 23, 26, 29, 34, 46, 52, 58, 68, 92, 104, 109, 116, 136, 184, 208, 218, 221, 232, 272, 299, 368, 377, 391, 436, 442, 464, 493, 598, 667, 754, 782, 872, 884, 986, 1196, 1334, 1417, 1508, 1564, 1744, 1768, 1853, 1972, 2392, 2507, 2668, 2834, 3016, 3128, 3161, 3536, 3706, 3944, 4784, 5014, 5083, 5336, 5668, 6032, 6256, 6322, 6409, 7412, 7888, 8671, 10028, 10166, 10672, 11336, 11339, 12644, 12818, 14824, 17342, 20056, 20332, 22672, 22678, 24089, 25288, 25636, 29648, 32591, 34684, 40112, 40664, 41093, 42619, 45356, 48178, 50576, 51272, 53737, 65182, 69368, 72703, 81328, 82186, 85238, 90712, 96356, 102544, 107474, 130364, 138736, 145406, 147407, 164372, 170476, 181424, 192712, 214948, 260728, 290812, 294814, 328744, 340952, 385424, 429896, 521456, 554047, 581624, 589628, 657488, 681904, 698581, 859792, 945139, 1108094, 1163248, 1179256, 1235951, 1397162, 1890278, 2216188, 2358512, 2471902, 2794324, 3780556, 4432376, 4943804, 5588648, 7561112, 8864752, 9887608, 11177296, 15122224, 16067363, 19775216, 32134726, 64269452, 128538904, 257077808]

約数ペア:

[(1, 257077808), (2, 128538904), (4, 64269452), (8, 32134726), (13, 19775216), (16, 16067363), (17, 15122224), (23, 11177296), (26, 9887608), (29, 8864752), (34, 7561112), (46, 5588648), (52, 4943804), (58, 4432376), (68, 3780556), (92, 2794324), (104, 2471902), (109, 2358512), (116, 2216188), (136, 1890278), (184, 1397162), (208, 1235951), (218, 1179256), (221, 1163248), (232, 1108094), (272, 945139), (299, 859792), (368, 698581), (377, 681904), (391, 657488), (436, 589628), (442, 581624), (464, 554047), (493, 521456), (598, 429896), (667, 385424), (754, 340952), (782, 328744), (872, 294814), (884, 290812), (986, 260728), (1196, 214948), (1334, 192712), (1417, 181424), (1508, 170476), (1564, 164372), (1744, 147407), (1768, 145406), (1853, 138736), (1972, 130364), (2392, 107474), (2507, 102544), (2668, 96356), (2834, 90712), (3016, 85238), (3128, 82186), (3161, 81328), (3536, 72703), (3706, 69368), (3944, 65182), (4784, 53737), (5014, 51272), (5083, 50576), (5336, 48178), (5668, 45356), (6032, 42619), (6256, 41093), (6322, 40664), (6409, 40112), (7412, 34684), (7888, 32591), (8671, 29648), (10028, 25636), (10166, 25288), (10672, 24089), (11336, 22678), (11339, 22672), (12644, 20332), (12818, 20056), (14824, 17342)]