221933720

素因数分解:

$2^3\times 5^1\times {\mathrm{827}}^1\times {\mathrm{6709}}^1$

素因数の和:7547

約数の個数: 32

約数和(自身を含む): 500029200

約数和(自身を除く): 278095480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 827, 1654, 3308, 4135, 6616, 6709, 8270, 13418, 16540, 26836, 33080, 33545, 53672, 67090, 134180, 268360, 5548343, 11096686, 22193372, 27741715, 44386744, 55483430, 110966860, 221933720]

約数ペア:

[(1, 221933720), (2, 110966860), (4, 55483430), (5, 44386744), (8, 27741715), (10, 22193372), (20, 11096686), (40, 5548343), (827, 268360), (1654, 134180), (3308, 67090), (4135, 53672), (6616, 33545), (6709, 33080), (8270, 26836), (13418, 16540)]