78917000

素因数分解:

$2^3\times 5^3\times {\mathrm{53}}^1\times {\mathrm{1489}}^1$

素因数の和:1563

約数の個数: 64

約数和(自身を含む): 188276400

約数和(自身を除く): 109359400

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 53, 100, 106, 125, 200, 212, 250, 265, 424, 500, 530, 1000, 1060, 1325, 1489, 2120, 2650, 2978, 5300, 5956, 6625, 7445, 10600, 11912, 13250, 14890, 26500, 29780, 37225, 53000, 59560, 74450, 78917, 148900, 157834, 186125, 297800, 315668, 372250, 394585, 631336, 744500, 789170, 1489000, 1578340, 1972925, 3156680, 3945850, 7891700, 9864625, 15783400, 19729250, 39458500, 78917000]

約数ペア:

[(1, 78917000), (2, 39458500), (4, 19729250), (5, 15783400), (8, 9864625), (10, 7891700), (20, 3945850), (25, 3156680), (40, 1972925), (50, 1578340), (53, 1489000), (100, 789170), (106, 744500), (125, 631336), (200, 394585), (212, 372250), (250, 315668), (265, 297800), (424, 186125), (500, 157834), (530, 148900), (1000, 78917), (1060, 74450), (1325, 59560), (1489, 53000), (2120, 37225), (2650, 29780), (2978, 26500), (5300, 14890), (5956, 13250), (6625, 11912), (7445, 10600)]