257164410

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{140527}}^1$

素因数の和:140598

約数の個数: 32

約数和(自身を含む): 627316992

約数和(自身を除く): 370152582

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 61, 122, 183, 305, 366, 610, 915, 1830, 140527, 281054, 421581, 702635, 843162, 1405270, 2107905, 4215810, 8572147, 17144294, 25716441, 42860735, 51432882, 85721470, 128582205, 257164410]

約数ペア:

[(1, 257164410), (2, 128582205), (3, 85721470), (5, 51432882), (6, 42860735), (10, 25716441), (15, 17144294), (30, 8572147), (61, 4215810), (122, 2107905), (183, 1405270), (305, 843162), (366, 702635), (610, 421581), (915, 281054), (1830, 140527)]