205987530

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{980893}}^1$

素因数の和:980910

約数の個数: 32

約数和(自身を含む): 564994944

約数和(自身を除く): 359007414

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 980893, 1961786, 2942679, 4904465, 5885358, 6866251, 9808930, 13732502, 14713395, 20598753, 29426790, 34331255, 41197506, 68662510, 102993765, 205987530]

約数ペア:

[(1, 205987530), (2, 102993765), (3, 68662510), (5, 41197506), (6, 34331255), (7, 29426790), (10, 20598753), (14, 14713395), (15, 13732502), (21, 9808930), (30, 6866251), (35, 5885358), (42, 4904465), (70, 2942679), (105, 1961786), (210, 980893)]