78551000

素因数分解:

$2^3\times 5^3\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{193}}^1$

素因数の和:262

約数の個数: 128

約数和(自身を含む): 207005760

約数和(自身を除く): 128454760

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 37, 40, 44, 50, 55, 74, 88, 100, 110, 125, 148, 185, 193, 200, 220, 250, 275, 296, 370, 386, 407, 440, 500, 550, 740, 772, 814, 925, 965, 1000, 1100, 1375, 1480, 1544, 1628, 1850, 1930, 2035, 2123, 2200, 2750, 3256, 3700, 3860, 4070, 4246, 4625, 4825, 5500, 7141, 7400, 7720, 8140, 8492, 9250, 9650, 10175, 10615, 11000, 14282, 16280, 16984, 18500, 19300, 20350, 21230, 24125, 28564, 35705, 37000, 38600, 40700, 42460, 48250, 50875, 53075, 57128, 71410, 78551, 81400, 84920, 96500, 101750, 106150, 142820, 157102, 178525, 193000, 203500, 212300, 265375, 285640, 314204, 357050, 392755, 407000, 424600, 530750, 628408, 714100, 785510, 892625, 1061500, 1428200, 1571020, 1785250, 1963775, 2123000, 3142040, 3570500, 3927550, 7141000, 7855100, 9818875, 15710200, 19637750, 39275500, 78551000]

約数ペア:

[(1, 78551000), (2, 39275500), (4, 19637750), (5, 15710200), (8, 9818875), (10, 7855100), (11, 7141000), (20, 3927550), (22, 3570500), (25, 3142040), (37, 2123000), (40, 1963775), (44, 1785250), (50, 1571020), (55, 1428200), (74, 1061500), (88, 892625), (100, 785510), (110, 714100), (125, 628408), (148, 530750), (185, 424600), (193, 407000), (200, 392755), (220, 357050), (250, 314204), (275, 285640), (296, 265375), (370, 212300), (386, 203500), (407, 193000), (440, 178525), (500, 157102), (550, 142820), (740, 106150), (772, 101750), (814, 96500), (925, 84920), (965, 81400), (1000, 78551), (1100, 71410), (1375, 57128), (1480, 53075), (1544, 50875), (1628, 48250), (1850, 42460), (1930, 40700), (2035, 38600), (2123, 37000), (2200, 35705), (2750, 28564), (3256, 24125), (3700, 21230), (3860, 20350), (4070, 19300), (4246, 18500), (4625, 16984), (4825, 16280), (5500, 14282), (7141, 11000), (7400, 10615), (7720, 10175), (8140, 9650), (8492, 9250)]