138827080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{21557}}^1$

素因数の和:21598

約数の個数: 64

約数和(自身を含む): 372522240

約数和(自身を除く): 233695160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 115, 140, 161, 184, 230, 280, 322, 460, 644, 805, 920, 1288, 1610, 3220, 6440, 21557, 43114, 86228, 107785, 150899, 172456, 215570, 301798, 431140, 495811, 603596, 754495, 862280, 991622, 1207192, 1508990, 1983244, 2479055, 3017980, 3470677, 3966488, 4958110, 6035960, 6941354, 9916220, 13882708, 17353385, 19832440, 27765416, 34706770, 69413540, 138827080]

約数ペア:

[(1, 138827080), (2, 69413540), (4, 34706770), (5, 27765416), (7, 19832440), (8, 17353385), (10, 13882708), (14, 9916220), (20, 6941354), (23, 6035960), (28, 4958110), (35, 3966488), (40, 3470677), (46, 3017980), (56, 2479055), (70, 1983244), (92, 1508990), (115, 1207192), (140, 991622), (161, 862280), (184, 754495), (230, 603596), (280, 495811), (322, 431140), (460, 301798), (644, 215570), (805, 172456), (920, 150899), (1288, 107785), (1610, 86228), (3220, 43114), (6440, 21557)]