138957260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1223}}^1$

素因数の和:1287

約数の個数: 96

約数和(自身を含む): 345461760

約数和(自身を除く): 206504500

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 23, 26, 38, 46, 52, 65, 76, 92, 95, 115, 130, 190, 230, 247, 260, 299, 380, 437, 460, 494, 598, 874, 988, 1196, 1223, 1235, 1495, 1748, 2185, 2446, 2470, 2990, 4370, 4892, 4940, 5681, 5980, 6115, 8740, 11362, 12230, 15899, 22724, 23237, 24460, 28129, 28405, 31798, 46474, 56258, 56810, 63596, 79495, 92948, 112516, 113620, 116185, 140645, 158990, 232370, 281290, 302081, 317980, 365677, 464740, 534451, 562580, 604162, 731354, 1068902, 1208324, 1462708, 1510405, 1828385, 2137804, 2672255, 3020810, 3656770, 5344510, 6041620, 6947863, 7313540, 10689020, 13895726, 27791452, 34739315, 69478630, 138957260]

約数ペア:

[(1, 138957260), (2, 69478630), (4, 34739315), (5, 27791452), (10, 13895726), (13, 10689020), (19, 7313540), (20, 6947863), (23, 6041620), (26, 5344510), (38, 3656770), (46, 3020810), (52, 2672255), (65, 2137804), (76, 1828385), (92, 1510405), (95, 1462708), (115, 1208324), (130, 1068902), (190, 731354), (230, 604162), (247, 562580), (260, 534451), (299, 464740), (380, 365677), (437, 317980), (460, 302081), (494, 281290), (598, 232370), (874, 158990), (988, 140645), (1196, 116185), (1223, 113620), (1235, 112516), (1495, 92948), (1748, 79495), (2185, 63596), (2446, 56810), (2470, 56258), (2990, 46474), (4370, 31798), (4892, 28405), (4940, 28129), (5681, 24460), (5980, 23237), (6115, 22724), (8740, 15899), (11362, 12230)]