835118180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{21557}}^1$

素因数の和:21728

約数の個数: 48

約数和(自身を含む): 1901415600

約数和(自身を除く): 1066297420

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 149, 260, 298, 596, 745, 1490, 1937, 2980, 3874, 7748, 9685, 19370, 21557, 38740, 43114, 86228, 107785, 215570, 280241, 431140, 560482, 1120964, 1401205, 2802410, 3211993, 5604820, 6423986, 12847972, 16059965, 32119930, 41755909, 64239860, 83511818, 167023636, 208779545, 417559090, 835118180]

約数ペア:

[(1, 835118180), (2, 417559090), (4, 208779545), (5, 167023636), (10, 83511818), (13, 64239860), (20, 41755909), (26, 32119930), (52, 16059965), (65, 12847972), (130, 6423986), (149, 5604820), (260, 3211993), (298, 2802410), (596, 1401205), (745, 1120964), (1490, 560482), (1937, 431140), (2980, 280241), (3874, 215570), (7748, 107785), (9685, 86228), (19370, 43114), (21557, 38740)]