291029220

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{538943}}^1$

素因数の和:538961

約数の個数: 48

約数和(自身を含む): 905425920

約数和(自身を除く): 614396700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 538943, 1077886, 1616829, 2155772, 2694715, 3233658, 4850487, 5389430, 6467316, 8084145, 9700974, 10778860, 14551461, 16168290, 19401948, 24252435, 29102922, 32336580, 48504870, 58205844, 72757305, 97009740, 145514610, 291029220]

約数ペア:

[(1, 291029220), (2, 145514610), (3, 97009740), (4, 72757305), (5, 58205844), (6, 48504870), (9, 32336580), (10, 29102922), (12, 24252435), (15, 19401948), (18, 16168290), (20, 14551461), (27, 10778860), (30, 9700974), (36, 8084145), (45, 6467316), (54, 5389430), (60, 4850487), (90, 3233658), (108, 2694715), (135, 2155772), (180, 1616829), (270, 1077886), (540, 538943)]