164069480

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{197}}^1\times {\mathrm{443}}^1$

素因数の和:698

約数の個数: 64

約数和(自身を含む): 379779840

約数和(自身を除く): 215710360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 197, 235, 376, 394, 443, 470, 788, 886, 940, 985, 1576, 1772, 1880, 1970, 2215, 3544, 3940, 4430, 7880, 8860, 9259, 17720, 18518, 20821, 37036, 41642, 46295, 74072, 83284, 87271, 92590, 104105, 166568, 174542, 185180, 208210, 349084, 370360, 416420, 436355, 698168, 832840, 872710, 1745420, 3490840, 4101737, 8203474, 16406948, 20508685, 32813896, 41017370, 82034740, 164069480]

約数ペア:

[(1, 164069480), (2, 82034740), (4, 41017370), (5, 32813896), (8, 20508685), (10, 16406948), (20, 8203474), (40, 4101737), (47, 3490840), (94, 1745420), (188, 872710), (197, 832840), (235, 698168), (376, 436355), (394, 416420), (443, 370360), (470, 349084), (788, 208210), (886, 185180), (940, 174542), (985, 166568), (1576, 104105), (1772, 92590), (1880, 87271), (1970, 83284), (2215, 74072), (3544, 46295), (3940, 41642), (4430, 37036), (7880, 20821), (8860, 18518), (9259, 17720)]