201217240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{718633}}^1$

素因数の和:718651

約数の個数: 32

約数和(自身を含む): 517416480

約数和(自身を除く): 316199240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 718633, 1437266, 2874532, 3593165, 5030431, 5749064, 7186330, 10060862, 14372660, 20121724, 25152155, 28745320, 40243448, 50304310, 100608620, 201217240]

約数ペア:

[(1, 201217240), (2, 100608620), (4, 50304310), (5, 40243448), (7, 28745320), (8, 25152155), (10, 20121724), (14, 14372660), (20, 10060862), (28, 7186330), (35, 5749064), (40, 5030431), (56, 3593165), (70, 2874532), (140, 1437266), (280, 718633)]