84445220

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{167}}^1\times {\mathrm{193}}^1$

素因数の和:500

約数の個数: 48

約数和(自身を含む): 180690048

約数和(自身を除く): 96244828

約数列:

[1, 2, 4, 5, 10, 20, 131, 167, 193, 262, 334, 386, 524, 655, 668, 772, 835, 965, 1310, 1670, 1930, 2620, 3340, 3860, 21877, 25283, 32231, 43754, 50566, 64462, 87508, 101132, 109385, 126415, 128924, 161155, 218770, 252830, 322310, 437540, 505660, 644620, 4222261, 8444522, 16889044, 21111305, 42222610, 84445220]

約数ペア:

[(1, 84445220), (2, 42222610), (4, 21111305), (5, 16889044), (10, 8444522), (20, 4222261), (131, 644620), (167, 505660), (193, 437540), (262, 322310), (334, 252830), (386, 218770), (524, 161155), (655, 128924), (668, 126415), (772, 109385), (835, 101132), (965, 87508), (1310, 64462), (1670, 50566), (1930, 43754), (2620, 32231), (3340, 25283), (3860, 21877)]