306943919090

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^2\times {\mathrm{320471}}^1$

素因数の和:320639

約数の個数: 48

約数和(自身を含む): 589886400960

約数和(自身を除く): 282942481870

約数列:

[1, 2, 5, 10, 19, 38, 71, 95, 142, 190, 355, 710, 1349, 2698, 5041, 6745, 10082, 13490, 25205, 50410, 95779, 191558, 320471, 478895, 640942, 957790, 1602355, 3204710, 6088949, 12177898, 22753441, 30444745, 45506882, 60889490, 113767205, 227534410, 432315379, 864630758, 1615494311, 2161576895, 3230988622, 4323153790, 8077471555, 16154943110, 30694391909, 61388783818, 153471959545, 306943919090]

約数ペア:

[(1, 306943919090), (2, 153471959545), (5, 61388783818), (10, 30694391909), (19, 16154943110), (38, 8077471555), (71, 4323153790), (95, 3230988622), (142, 2161576895), (190, 1615494311), (355, 864630758), (710, 432315379), (1349, 227534410), (2698, 113767205), (5041, 60889490), (6745, 45506882), (10082, 30444745), (13490, 22753441), (25205, 12177898), (50410, 6088949), (95779, 3204710), (191558, 1602355), (320471, 957790), (478895, 640942)]