69621020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{509}}^1\times {\mathrm{977}}^1$

素因数の和:1502

約数の個数: 48

約数和(自身を含む): 167590080

約数和(自身を除く): 97969060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 509, 977, 1018, 1954, 2036, 2545, 3563, 3908, 4885, 5090, 6839, 7126, 9770, 10180, 13678, 14252, 17815, 19540, 27356, 34195, 35630, 68390, 71260, 136780, 497293, 994586, 1989172, 2486465, 3481051, 4972930, 6962102, 9945860, 13924204, 17405255, 34810510, 69621020]

約数ペア:

[(1, 69621020), (2, 34810510), (4, 17405255), (5, 13924204), (7, 9945860), (10, 6962102), (14, 4972930), (20, 3481051), (28, 2486465), (35, 1989172), (70, 994586), (140, 497293), (509, 136780), (977, 71260), (1018, 68390), (1954, 35630), (2036, 34195), (2545, 27356), (3563, 19540), (3908, 17815), (4885, 14252), (5090, 13678), (6839, 10180), (7126, 9770)]