157218820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{557}}^1\times {\mathrm{1283}}^1$

素因数の和:1860

約数の個数: 48

約数和(自身を含む): 361101888

約数和(自身を除く): 203883068

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 557, 1114, 1283, 2228, 2566, 2785, 5132, 5570, 6127, 6415, 11140, 12254, 12830, 14113, 24508, 25660, 28226, 30635, 56452, 61270, 70565, 122540, 141130, 282260, 714631, 1429262, 2858524, 3573155, 7146310, 7860941, 14292620, 15721882, 31443764, 39304705, 78609410, 157218820]

約数ペア:

[(1, 157218820), (2, 78609410), (4, 39304705), (5, 31443764), (10, 15721882), (11, 14292620), (20, 7860941), (22, 7146310), (44, 3573155), (55, 2858524), (110, 1429262), (220, 714631), (557, 282260), (1114, 141130), (1283, 122540), (2228, 70565), (2566, 61270), (2785, 56452), (5132, 30635), (5570, 28226), (6127, 25660), (6415, 24508), (11140, 14113), (12254, 12830)]