213393540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{239}}^1\times {\mathrm{647}}^1$

素因数の和:921

約数の個数: 96

約数和(自身を含む): 627056640

約数和(自身を除く): 413663100

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 239, 276, 345, 460, 478, 647, 690, 717, 956, 1195, 1294, 1380, 1434, 1941, 2390, 2588, 2868, 3235, 3585, 3882, 4780, 5497, 6470, 7170, 7764, 9705, 10994, 12940, 14340, 14881, 16491, 19410, 21988, 27485, 29762, 32982, 38820, 44643, 54970, 59524, 65964, 74405, 82455, 89286, 109940, 148810, 154633, 164910, 178572, 223215, 297620, 309266, 329820, 446430, 463899, 618532, 773165, 892860, 927798, 1546330, 1855596, 2319495, 3092660, 3556559, 4638990, 7113118, 9277980, 10669677, 14226236, 17782795, 21339354, 35565590, 42678708, 53348385, 71131180, 106696770, 213393540]

約数ペア:

[(1, 213393540), (2, 106696770), (3, 71131180), (4, 53348385), (5, 42678708), (6, 35565590), (10, 21339354), (12, 17782795), (15, 14226236), (20, 10669677), (23, 9277980), (30, 7113118), (46, 4638990), (60, 3556559), (69, 3092660), (92, 2319495), (115, 1855596), (138, 1546330), (230, 927798), (239, 892860), (276, 773165), (345, 618532), (460, 463899), (478, 446430), (647, 329820), (690, 309266), (717, 297620), (956, 223215), (1195, 178572), (1294, 164910), (1380, 154633), (1434, 148810), (1941, 109940), (2390, 89286), (2588, 82455), (2868, 74405), (3235, 65964), (3585, 59524), (3882, 54970), (4780, 44643), (5497, 38820), (6470, 32982), (7170, 29762), (7764, 27485), (9705, 21988), (10994, 19410), (12940, 16491), (14340, 14881)]