449860

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{271}}^1$

素因数の和:363

約数の個数: 24

約数和(自身を含む): 959616

約数和(自身を除く): 509756

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 271, 332, 415, 542, 830, 1084, 1355, 1660, 2710, 5420, 22493, 44986, 89972, 112465, 224930, 449860]

約数ペア:

[(1, 449860), (2, 224930), (4, 112465), (5, 89972), (10, 44986), (20, 22493), (83, 5420), (166, 2710), (271, 1660), (332, 1355), (415, 1084), (542, 830)]