257803504

素因数分解:

$2^4\times 7^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^2$

素因数の和:120

約数の個数: 180

約数和(自身を含む): 664872624

約数和(自身を除く): 407069120

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 23, 28, 29, 34, 46, 49, 56, 58, 68, 92, 98, 112, 116, 119, 136, 161, 184, 196, 203, 232, 238, 272, 322, 368, 391, 392, 406, 464, 476, 493, 644, 667, 782, 784, 812, 833, 841, 952, 986, 1127, 1288, 1334, 1421, 1564, 1624, 1666, 1682, 1904, 1972, 2254, 2576, 2668, 2737, 2842, 3128, 3248, 3332, 3364, 3451, 3944, 4508, 4669, 5336, 5474, 5684, 5887, 6256, 6664, 6728, 6902, 7888, 9016, 9338, 10672, 10948, 11339, 11368, 11774, 13328, 13456, 13804, 14297, 18032, 18676, 19159, 19343, 21896, 22678, 22736, 23548, 24157, 27608, 28594, 32683, 37352, 38318, 38686, 41209, 43792, 45356, 47096, 48314, 55216, 57188, 65366, 74704, 76636, 77372, 79373, 82418, 90712, 94192, 96628, 100079, 114376, 130732, 135401, 153272, 154744, 158746, 164836, 181424, 193256, 200158, 228752, 261464, 270802, 306544, 309488, 317492, 328831, 329672, 386512, 400316, 522928, 541604, 555611, 634984, 657662, 659344, 700553, 800632, 947807, 1083208, 1111222, 1269968, 1315324, 1401106, 1601264, 1895614, 2166416, 2222444, 2301817, 2630648, 2802212, 3791228, 4444888, 4603634, 5261296, 5604424, 7582456, 8889776, 9207268, 11208848, 15164912, 16112719, 18414536, 32225438, 36829072, 64450876, 128901752, 257803504]

約数ペア:

[(1, 257803504), (2, 128901752), (4, 64450876), (7, 36829072), (8, 32225438), (14, 18414536), (16, 16112719), (17, 15164912), (23, 11208848), (28, 9207268), (29, 8889776), (34, 7582456), (46, 5604424), (49, 5261296), (56, 4603634), (58, 4444888), (68, 3791228), (92, 2802212), (98, 2630648), (112, 2301817), (116, 2222444), (119, 2166416), (136, 1895614), (161, 1601264), (184, 1401106), (196, 1315324), (203, 1269968), (232, 1111222), (238, 1083208), (272, 947807), (322, 800632), (368, 700553), (391, 659344), (392, 657662), (406, 634984), (464, 555611), (476, 541604), (493, 522928), (644, 400316), (667, 386512), (782, 329672), (784, 328831), (812, 317492), (833, 309488), (841, 306544), (952, 270802), (986, 261464), (1127, 228752), (1288, 200158), (1334, 193256), (1421, 181424), (1564, 164836), (1624, 158746), (1666, 154744), (1682, 153272), (1904, 135401), (1972, 130732), (2254, 114376), (2576, 100079), (2668, 96628), (2737, 94192), (2842, 90712), (3128, 82418), (3248, 79373), (3332, 77372), (3364, 76636), (3451, 74704), (3944, 65366), (4508, 57188), (4669, 55216), (5336, 48314), (5474, 47096), (5684, 45356), (5887, 43792), (6256, 41209), (6664, 38686), (6728, 38318), (6902, 37352), (7888, 32683), (9016, 28594), (9338, 27608), (10672, 24157), (10948, 23548), (11339, 22736), (11368, 22678), (11774, 21896), (13328, 19343), (13456, 19159), (13804, 18676), (14297, 18032)]