420000735

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{4603}}^1$

素因数の和:4708

約数の個数: 64

約数和(自身を含む): 848609280

約数和(自身を除く): 428608545

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 79, 105, 165, 231, 237, 385, 395, 553, 869, 1155, 1185, 1659, 2607, 2765, 4345, 4603, 6083, 8295, 13035, 13809, 18249, 23015, 30415, 32221, 50633, 69045, 91245, 96663, 151899, 161105, 253165, 354431, 363637, 483315, 759495, 1063293, 1090911, 1772155, 1818185, 2545459, 4000007, 5316465, 5454555, 7636377, 12000021, 12727295, 20000035, 28000049, 38181885, 60000105, 84000147, 140000245, 420000735]

約数ペア:

[(1, 420000735), (3, 140000245), (5, 84000147), (7, 60000105), (11, 38181885), (15, 28000049), (21, 20000035), (33, 12727295), (35, 12000021), (55, 7636377), (77, 5454555), (79, 5316465), (105, 4000007), (165, 2545459), (231, 1818185), (237, 1772155), (385, 1090911), (395, 1063293), (553, 759495), (869, 483315), (1155, 363637), (1185, 354431), (1659, 253165), (2607, 161105), (2765, 151899), (4345, 96663), (4603, 91245), (6083, 69045), (8295, 50633), (13035, 32221), (13809, 30415), (18249, 23015)]