78221480

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^2\times {\mathrm{5417}}^1$

素因数の和:5466

約数の個数: 48

約数和(自身を含む): 185783220

約数和(自身を除く): 107561740

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 361, 380, 722, 760, 1444, 1805, 2888, 3610, 5417, 7220, 10834, 14440, 21668, 27085, 43336, 54170, 102923, 108340, 205846, 216680, 411692, 514615, 823384, 1029230, 1955537, 2058460, 3911074, 4116920, 7822148, 9777685, 15644296, 19555370, 39110740, 78221480]

約数ペア:

[(1, 78221480), (2, 39110740), (4, 19555370), (5, 15644296), (8, 9777685), (10, 7822148), (19, 4116920), (20, 3911074), (38, 2058460), (40, 1955537), (76, 1029230), (95, 823384), (152, 514615), (190, 411692), (361, 216680), (380, 205846), (722, 108340), (760, 102923), (1444, 54170), (1805, 43336), (2888, 27085), (3610, 21668), (5417, 14440), (7220, 10834)]