78055340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{1801}}^1$

素因数の和:2018

約数の個数: 48

約数和(自身を含む): 179825184

約数和(自身を除く): 101769844

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 197, 220, 394, 788, 985, 1801, 1970, 2167, 3602, 3940, 4334, 7204, 8668, 9005, 10835, 18010, 19811, 21670, 36020, 39622, 43340, 79244, 99055, 198110, 354797, 396220, 709594, 1419188, 1773985, 3547970, 3902767, 7095940, 7805534, 15611068, 19513835, 39027670, 78055340]

約数ペア:

[(1, 78055340), (2, 39027670), (4, 19513835), (5, 15611068), (10, 7805534), (11, 7095940), (20, 3902767), (22, 3547970), (44, 1773985), (55, 1419188), (110, 709594), (197, 396220), (220, 354797), (394, 198110), (788, 99055), (985, 79244), (1801, 43340), (1970, 39622), (2167, 36020), (3602, 21670), (3940, 19811), (4334, 18010), (7204, 10835), (8668, 9005)]