290278896

素因数分解:

$2^4\times 3^1\times {\mathrm{43}}^1\times {\mathrm{140639}}^1$

素因数の和:140693

約数の個数: 40

約数和(自身を含む): 767331840

約数和(自身を除く): 477052944

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 43, 48, 86, 129, 172, 258, 344, 516, 688, 1032, 2064, 140639, 281278, 421917, 562556, 843834, 1125112, 1687668, 2250224, 3375336, 6047477, 6750672, 12094954, 18142431, 24189908, 36284862, 48379816, 72569724, 96759632, 145139448, 290278896]

約数ペア:

[(1, 290278896), (2, 145139448), (3, 96759632), (4, 72569724), (6, 48379816), (8, 36284862), (12, 24189908), (16, 18142431), (24, 12094954), (43, 6750672), (48, 6047477), (86, 3375336), (129, 2250224), (172, 1687668), (258, 1125112), (344, 843834), (516, 562556), (688, 421917), (1032, 281278), (2064, 140639)]