200040820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1428863}}^1$

素因数の和:1428879

約数の個数: 24

約数和(自身を含む): 480098304

約数和(自身を除く): 280057484

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1428863, 2857726, 5715452, 7144315, 10002041, 14288630, 20004082, 28577260, 40008164, 50010205, 100020410, 200040820]

約数ペア:

[(1, 200040820), (2, 100020410), (4, 50010205), (5, 40008164), (7, 28577260), (10, 20004082), (14, 14288630), (20, 10002041), (28, 7144315), (35, 5715452), (70, 2857726), (140, 1428863)]