808218380

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{193}}^1\times {\mathrm{5659}}^1$

素因数の和:5898

約数の個数: 48

約数和(自身を含む): 1752471840

約数和(自身を除く): 944253460

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 193, 370, 386, 740, 772, 965, 1930, 3860, 5659, 7141, 11318, 14282, 22636, 28295, 28564, 35705, 56590, 71410, 113180, 142820, 209383, 418766, 837532, 1046915, 1092187, 2093830, 2184374, 4187660, 4368748, 5460935, 10921870, 21843740, 40410919, 80821838, 161643676, 202054595, 404109190, 808218380]

約数ペア:

[(1, 808218380), (2, 404109190), (4, 202054595), (5, 161643676), (10, 80821838), (20, 40410919), (37, 21843740), (74, 10921870), (148, 5460935), (185, 4368748), (193, 4187660), (370, 2184374), (386, 2093830), (740, 1092187), (772, 1046915), (965, 837532), (1930, 418766), (3860, 209383), (5659, 142820), (7141, 113180), (11318, 71410), (14282, 56590), (22636, 35705), (28295, 28564)]