156738220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{6991}}^1$

素因数の和:7078

約数の個数: 48

約数和(自身を含む): 352396800

約数和(自身を除く): 195658580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 59, 76, 95, 118, 190, 236, 295, 380, 590, 1121, 1180, 2242, 4484, 5605, 6991, 11210, 13982, 22420, 27964, 34955, 69910, 132829, 139820, 265658, 412469, 531316, 664145, 824938, 1328290, 1649876, 2062345, 2656580, 4124690, 7836911, 8249380, 15673822, 31347644, 39184555, 78369110, 156738220]

約数ペア:

[(1, 156738220), (2, 78369110), (4, 39184555), (5, 31347644), (10, 15673822), (19, 8249380), (20, 7836911), (38, 4124690), (59, 2656580), (76, 2062345), (95, 1649876), (118, 1328290), (190, 824938), (236, 664145), (295, 531316), (380, 412469), (590, 265658), (1121, 139820), (1180, 132829), (2242, 69910), (4484, 34955), (5605, 27964), (6991, 22420), (11210, 13982)]