753817840

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{137}}^1\times {\mathrm{631}}^1$

素因数の和:890

約数の個数: 80

約数和(自身を含む): 1784439360

約数和(自身を除く): 1030621520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 137, 218, 274, 436, 545, 548, 631, 685, 872, 1090, 1096, 1262, 1370, 1744, 2180, 2192, 2524, 2740, 3155, 4360, 5048, 5480, 6310, 8720, 10096, 10960, 12620, 14933, 25240, 29866, 50480, 59732, 68779, 74665, 86447, 119464, 137558, 149330, 172894, 238928, 275116, 298660, 343895, 345788, 432235, 550232, 597320, 687790, 691576, 864470, 1100464, 1194640, 1375580, 1383152, 1728940, 2751160, 3457880, 5502320, 6915760, 9422723, 18845446, 37690892, 47113615, 75381784, 94227230, 150763568, 188454460, 376908920, 753817840]

約数ペア:

[(1, 753817840), (2, 376908920), (4, 188454460), (5, 150763568), (8, 94227230), (10, 75381784), (16, 47113615), (20, 37690892), (40, 18845446), (80, 9422723), (109, 6915760), (137, 5502320), (218, 3457880), (274, 2751160), (436, 1728940), (545, 1383152), (548, 1375580), (631, 1194640), (685, 1100464), (872, 864470), (1090, 691576), (1096, 687790), (1262, 597320), (1370, 550232), (1744, 432235), (2180, 345788), (2192, 343895), (2524, 298660), (2740, 275116), (3155, 238928), (4360, 172894), (5048, 149330), (5480, 137558), (6310, 119464), (8720, 86447), (10096, 74665), (10960, 68779), (12620, 59732), (14933, 50480), (25240, 29866)]