78857030

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{281}}^1$

素因数の和:525

約数の個数: 64

約数和(自身を含む): 172177920

約数和(自身を除く): 93320890

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 95, 133, 190, 211, 266, 281, 422, 562, 665, 1055, 1330, 1405, 1477, 1967, 2110, 2810, 2954, 3934, 4009, 5339, 7385, 8018, 9835, 10678, 14770, 19670, 20045, 26695, 28063, 37373, 40090, 53390, 56126, 59291, 74746, 118582, 140315, 186865, 280630, 296455, 373730, 415037, 592910, 830074, 1126529, 2075185, 2253058, 4150370, 5632645, 7885703, 11265290, 15771406, 39428515, 78857030]

約数ペア:

[(1, 78857030), (2, 39428515), (5, 15771406), (7, 11265290), (10, 7885703), (14, 5632645), (19, 4150370), (35, 2253058), (38, 2075185), (70, 1126529), (95, 830074), (133, 592910), (190, 415037), (211, 373730), (266, 296455), (281, 280630), (422, 186865), (562, 140315), (665, 118582), (1055, 74746), (1330, 59291), (1405, 56126), (1477, 53390), (1967, 40090), (2110, 37373), (2810, 28063), (2954, 26695), (3934, 20045), (4009, 19670), (5339, 14770), (7385, 10678), (8018, 9835)]