86274020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{616243}}^1$

素因数の和:616259

約数の個数: 24

約数和(自身を含む): 207057984

約数和(自身を除く): 120783964

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 616243, 1232486, 2464972, 3081215, 4313701, 6162430, 8627402, 12324860, 17254804, 21568505, 43137010, 86274020]

約数ペア:

[(1, 86274020), (2, 43137010), (4, 21568505), (5, 17254804), (7, 12324860), (10, 8627402), (14, 6162430), (20, 4313701), (28, 3081215), (35, 2464972), (70, 1232486), (140, 616243)]