31389250

素因数分解:

$2^1\times 5^3\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1$

素因数の和:196

約数の個数: 64

約数和(自身を含む): 63078912

約数和(自身を除く): 31689662

約数列:

[1, 2, 5, 10, 23, 25, 46, 50, 53, 103, 106, 115, 125, 206, 230, 250, 265, 515, 530, 575, 1030, 1150, 1219, 1325, 2369, 2438, 2575, 2650, 2875, 4738, 5150, 5459, 5750, 6095, 6625, 10918, 11845, 12190, 12875, 13250, 23690, 25750, 27295, 30475, 54590, 59225, 60950, 118450, 125557, 136475, 152375, 251114, 272950, 296125, 304750, 592250, 627785, 682375, 1255570, 1364750, 3138925, 6277850, 15694625, 31389250]

約数ペア:

[(1, 31389250), (2, 15694625), (5, 6277850), (10, 3138925), (23, 1364750), (25, 1255570), (46, 682375), (50, 627785), (53, 592250), (103, 304750), (106, 296125), (115, 272950), (125, 251114), (206, 152375), (230, 136475), (250, 125557), (265, 118450), (515, 60950), (530, 59225), (575, 54590), (1030, 30475), (1150, 27295), (1219, 25750), (1325, 23690), (2369, 13250), (2438, 12875), (2575, 12190), (2650, 11845), (2875, 10918), (4738, 6625), (5150, 6095), (5459, 5750)]