86973460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{621239}}^1$

素因数の和:621255

約数の個数: 24

約数和(自身を含む): 208736640

約数和(自身を除く): 121763180

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 621239, 1242478, 2484956, 3106195, 4348673, 6212390, 8697346, 12424780, 17394692, 21743365, 43486730, 86973460]

約数ペア:

[(1, 86973460), (2, 43486730), (4, 21743365), (5, 17394692), (7, 12424780), (10, 8697346), (14, 6212390), (20, 4348673), (28, 3106195), (35, 2484956), (70, 1242478), (140, 621239)]