339601820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{4679}}^1$

素因数の和:4898

約数の個数: 48

約数和(自身を含む): 754790400

約数和(自身を除く): 415188580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 191, 380, 382, 764, 955, 1910, 3629, 3820, 4679, 7258, 9358, 14516, 18145, 18716, 23395, 36290, 46790, 72580, 88901, 93580, 177802, 355604, 444505, 889010, 893689, 1778020, 1787378, 3574756, 4468445, 8936890, 16980091, 17873780, 33960182, 67920364, 84900455, 169800910, 339601820]

約数ペア:

[(1, 339601820), (2, 169800910), (4, 84900455), (5, 67920364), (10, 33960182), (19, 17873780), (20, 16980091), (38, 8936890), (76, 4468445), (95, 3574756), (190, 1787378), (191, 1778020), (380, 893689), (382, 889010), (764, 444505), (955, 355604), (1910, 177802), (3629, 93580), (3820, 88901), (4679, 72580), (7258, 46790), (9358, 36290), (14516, 23395), (18145, 18716)]