445850380

素因数分解:

$2^2\times 5^1\times {\mathrm{331}}^1\times {\mathrm{67349}}^1$

素因数の和:67689

約数の個数: 24

約数和(自身を含む): 939128400

約数和(自身を除く): 493278020

約数列:

[1, 2, 4, 5, 10, 20, 331, 662, 1324, 1655, 3310, 6620, 67349, 134698, 269396, 336745, 673490, 1346980, 22292519, 44585038, 89170076, 111462595, 222925190, 445850380]

約数ペア:

[(1, 445850380), (2, 222925190), (4, 111462595), (5, 89170076), (10, 44585038), (20, 22292519), (331, 1346980), (662, 673490), (1324, 336745), (1655, 269396), (3310, 134698), (6620, 67349)]