257020008

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{2903}}^1$

素因数の和:2967

約数の個数: 128

約数和(自身を含む): 802897920

約数和(自身を除く): 545877912

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 17, 21, 24, 28, 31, 34, 42, 51, 56, 62, 68, 84, 93, 102, 119, 124, 136, 168, 186, 204, 217, 238, 248, 357, 372, 408, 434, 476, 527, 651, 714, 744, 868, 952, 1054, 1302, 1428, 1581, 1736, 2108, 2604, 2856, 2903, 3162, 3689, 4216, 5208, 5806, 6324, 7378, 8709, 11067, 11612, 12648, 14756, 17418, 20321, 22134, 23224, 29512, 34836, 40642, 44268, 49351, 60963, 69672, 81284, 88536, 89993, 98702, 121926, 148053, 162568, 179986, 197404, 243852, 269979, 296106, 345457, 359972, 394808, 487704, 539958, 592212, 629951, 690914, 719944, 1036371, 1079916, 1184424, 1259902, 1381828, 1529881, 1889853, 2072742, 2159832, 2519804, 2763656, 3059762, 3779706, 4145484, 4589643, 5039608, 6119524, 7559412, 8290968, 9179286, 10709167, 12239048, 15118824, 18358572, 21418334, 32127501, 36717144, 42836668, 64255002, 85673336, 128510004, 257020008]

約数ペア:

[(1, 257020008), (2, 128510004), (3, 85673336), (4, 64255002), (6, 42836668), (7, 36717144), (8, 32127501), (12, 21418334), (14, 18358572), (17, 15118824), (21, 12239048), (24, 10709167), (28, 9179286), (31, 8290968), (34, 7559412), (42, 6119524), (51, 5039608), (56, 4589643), (62, 4145484), (68, 3779706), (84, 3059762), (93, 2763656), (102, 2519804), (119, 2159832), (124, 2072742), (136, 1889853), (168, 1529881), (186, 1381828), (204, 1259902), (217, 1184424), (238, 1079916), (248, 1036371), (357, 719944), (372, 690914), (408, 629951), (434, 592212), (476, 539958), (527, 487704), (651, 394808), (714, 359972), (744, 345457), (868, 296106), (952, 269979), (1054, 243852), (1302, 197404), (1428, 179986), (1581, 162568), (1736, 148053), (2108, 121926), (2604, 98702), (2856, 89993), (2903, 88536), (3162, 81284), (3689, 69672), (4216, 60963), (5208, 49351), (5806, 44268), (6324, 40642), (7378, 34836), (8709, 29512), (11067, 23224), (11612, 22134), (12648, 20321), (14756, 17418)]