188889110

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{269}}^1$

素因数の和:413

約数の個数: 64

約数和(自身を含む): 369515520

約数和(自身を除く): 180626410

約数列:

[1, 2, 5, 10, 23, 43, 46, 71, 86, 115, 142, 215, 230, 269, 355, 430, 538, 710, 989, 1345, 1633, 1978, 2690, 3053, 3266, 4945, 6106, 6187, 8165, 9890, 11567, 12374, 15265, 16330, 19099, 23134, 30530, 30935, 38198, 57835, 61870, 70219, 95495, 115670, 140438, 190990, 266041, 351095, 439277, 532082, 702190, 821257, 878554, 1330205, 1642514, 2196385, 2660410, 4106285, 4392770, 8212570, 18888911, 37777822, 94444555, 188889110]

約数ペア:

[(1, 188889110), (2, 94444555), (5, 37777822), (10, 18888911), (23, 8212570), (43, 4392770), (46, 4106285), (71, 2660410), (86, 2196385), (115, 1642514), (142, 1330205), (215, 878554), (230, 821257), (269, 702190), (355, 532082), (430, 439277), (538, 351095), (710, 266041), (989, 190990), (1345, 140438), (1633, 115670), (1978, 95495), (2690, 70219), (3053, 61870), (3266, 57835), (4945, 38198), (6106, 30935), (6187, 30530), (8165, 23134), (9890, 19099), (11567, 16330), (12374, 15265)]