213320240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{380929}}^1$

素因数の和:380949

約数の個数: 40

約数和(自身を含む): 566823840

約数和(自身を除く): 353503600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 380929, 761858, 1523716, 1904645, 2666503, 3047432, 3809290, 5333006, 6094864, 7618580, 10666012, 13332515, 15237160, 21332024, 26665030, 30474320, 42664048, 53330060, 106660120, 213320240]

約数ペア:

[(1, 213320240), (2, 106660120), (4, 53330060), (5, 42664048), (7, 30474320), (8, 26665030), (10, 21332024), (14, 15237160), (16, 13332515), (20, 10666012), (28, 7618580), (35, 6094864), (40, 5333006), (56, 3809290), (70, 3047432), (80, 2666503), (112, 1904645), (140, 1523716), (280, 761858), (560, 380929)]