139211180

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^2\times {\mathrm{137}}^1$

素因数の和:263

約数の個数: 72

約数和(自身を含む): 313957728

約数和(自身を除く): 174746548

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 47, 92, 94, 115, 137, 188, 230, 235, 274, 460, 470, 548, 685, 940, 1081, 1370, 2162, 2209, 2740, 3151, 4324, 4418, 5405, 6302, 6439, 8836, 10810, 11045, 12604, 12878, 15755, 21620, 22090, 25756, 31510, 32195, 44180, 50807, 63020, 64390, 101614, 128780, 148097, 203228, 254035, 296194, 302633, 508070, 592388, 605266, 740485, 1016140, 1210532, 1480970, 1513165, 2961940, 3026330, 6052660, 6960559, 13921118, 27842236, 34802795, 69605590, 139211180]

約数ペア:

[(1, 139211180), (2, 69605590), (4, 34802795), (5, 27842236), (10, 13921118), (20, 6960559), (23, 6052660), (46, 3026330), (47, 2961940), (92, 1513165), (94, 1480970), (115, 1210532), (137, 1016140), (188, 740485), (230, 605266), (235, 592388), (274, 508070), (460, 302633), (470, 296194), (548, 254035), (685, 203228), (940, 148097), (1081, 128780), (1370, 101614), (2162, 64390), (2209, 63020), (2740, 50807), (3151, 44180), (4324, 32195), (4418, 31510), (5405, 25756), (6302, 22090), (6439, 21620), (8836, 15755), (10810, 12878), (11045, 12604)]