388357710

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{21187}}^1$

素因数の和:21257

約数の個数: 64

約数和(自身を含む): 1025160192

約数和(自身を除く): 636802482

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 47, 65, 78, 94, 130, 141, 195, 235, 282, 390, 470, 611, 705, 1222, 1410, 1833, 3055, 3666, 6110, 9165, 18330, 21187, 42374, 63561, 105935, 127122, 211870, 275431, 317805, 550862, 635610, 826293, 995789, 1377155, 1652586, 1991578, 2754310, 2987367, 4131465, 4978945, 5974734, 8262930, 9957890, 12945257, 14936835, 25890514, 29873670, 38835771, 64726285, 77671542, 129452570, 194178855, 388357710]

約数ペア:

[(1, 388357710), (2, 194178855), (3, 129452570), (5, 77671542), (6, 64726285), (10, 38835771), (13, 29873670), (15, 25890514), (26, 14936835), (30, 12945257), (39, 9957890), (47, 8262930), (65, 5974734), (78, 4978945), (94, 4131465), (130, 2987367), (141, 2754310), (195, 1991578), (235, 1652586), (282, 1377155), (390, 995789), (470, 826293), (611, 635610), (705, 550862), (1222, 317805), (1410, 275431), (1833, 211870), (3055, 127122), (3666, 105935), (6110, 63561), (9165, 42374), (18330, 21187)]