118668820

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^2\times {\mathrm{3209}}^1$

素因数の和:3304

約数の個数: 36

約数和(自身を含む): 255214260

約数和(自身を除く): 136545440

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 1849, 3209, 3698, 6418, 7396, 9245, 12836, 16045, 18490, 32090, 36980, 64180, 137987, 275974, 551948, 689935, 1379870, 2759740, 5933441, 11866882, 23733764, 29667205, 59334410, 118668820]

約数ペア:

[(1, 118668820), (2, 59334410), (4, 29667205), (5, 23733764), (10, 11866882), (20, 5933441), (43, 2759740), (86, 1379870), (172, 689935), (215, 551948), (430, 275974), (860, 137987), (1849, 64180), (3209, 36980), (3698, 32090), (6418, 18490), (7396, 16045), (9245, 12836)]