210002620

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{117979}}^1$

素因数の和:118077

約数の個数: 24

約数和(自身を含む): 445964400

約数和(自身を除く): 235961780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 117979, 235958, 471916, 589895, 1179790, 2359580, 10500131, 21000262, 42000524, 52500655, 105001310, 210002620]

約数ペア:

[(1, 210002620), (2, 105001310), (4, 52500655), (5, 42000524), (10, 21000262), (20, 10500131), (89, 2359580), (178, 1179790), (356, 589895), (445, 471916), (890, 235958), (1780, 117979)]