68515000

素因数分解:

$2^3\times 5^4\times {\mathrm{71}}^1\times {\mathrm{193}}^1$

素因数の和:290

約数の個数: 80

約数和(自身を含む): 163635120

約数和(自身を除く): 95120120

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 71, 100, 125, 142, 193, 200, 250, 284, 355, 386, 500, 568, 625, 710, 772, 965, 1000, 1250, 1420, 1544, 1775, 1930, 2500, 2840, 3550, 3860, 4825, 5000, 7100, 7720, 8875, 9650, 13703, 14200, 17750, 19300, 24125, 27406, 35500, 38600, 44375, 48250, 54812, 68515, 71000, 88750, 96500, 109624, 120625, 137030, 177500, 193000, 241250, 274060, 342575, 355000, 482500, 548120, 685150, 965000, 1370300, 1712875, 2740600, 3425750, 6851500, 8564375, 13703000, 17128750, 34257500, 68515000]

約数ペア:

[(1, 68515000), (2, 34257500), (4, 17128750), (5, 13703000), (8, 8564375), (10, 6851500), (20, 3425750), (25, 2740600), (40, 1712875), (50, 1370300), (71, 965000), (100, 685150), (125, 548120), (142, 482500), (193, 355000), (200, 342575), (250, 274060), (284, 241250), (355, 193000), (386, 177500), (500, 137030), (568, 120625), (625, 109624), (710, 96500), (772, 88750), (965, 71000), (1000, 68515), (1250, 54812), (1420, 48250), (1544, 44375), (1775, 38600), (1930, 35500), (2500, 27406), (2840, 24125), (3550, 19300), (3860, 17750), (4825, 14200), (5000, 13703), (7100, 9650), (7720, 8875)]