84168243220

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^2\times {\mathrm{157}}^1\times {\mathrm{27893}}^1$

素因数の和:28121

約数の個数: 72

約数和(自身を含む): 183808851912

約数和(自身を除く): 99640608692

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 157, 310, 314, 620, 628, 785, 961, 1570, 1922, 3140, 3844, 4805, 4867, 9610, 9734, 19220, 19468, 24335, 27893, 48670, 55786, 97340, 111572, 139465, 150877, 278930, 301754, 557860, 603508, 754385, 864683, 1508770, 1729366, 3017540, 3458732, 4323415, 4379201, 8646830, 8758402, 17293660, 17516804, 21896005, 26805173, 43792010, 53610346, 87584020, 107220692, 134025865, 135755231, 268051730, 271510462, 536103460, 543020924, 678776155, 1357552310, 2715104620, 4208412161, 8416824322, 16833648644, 21042060805, 42084121610, 84168243220]

約数ペア:

[(1, 84168243220), (2, 42084121610), (4, 21042060805), (5, 16833648644), (10, 8416824322), (20, 4208412161), (31, 2715104620), (62, 1357552310), (124, 678776155), (155, 543020924), (157, 536103460), (310, 271510462), (314, 268051730), (620, 135755231), (628, 134025865), (785, 107220692), (961, 87584020), (1570, 53610346), (1922, 43792010), (3140, 26805173), (3844, 21896005), (4805, 17516804), (4867, 17293660), (9610, 8758402), (9734, 8646830), (19220, 4379201), (19468, 4323415), (24335, 3458732), (27893, 3017540), (48670, 1729366), (55786, 1508770), (97340, 864683), (111572, 754385), (139465, 603508), (150877, 557860), (278930, 301754)]