64694140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{3373}}^1$

素因数の和:3526

約数の個数: 48

約数和(自身を含む): 156445632

約数和(自身を除く): 91751492

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 137, 140, 274, 548, 685, 959, 1370, 1918, 2740, 3373, 3836, 4795, 6746, 9590, 13492, 16865, 19180, 23611, 33730, 47222, 67460, 94444, 118055, 236110, 462101, 472220, 924202, 1848404, 2310505, 3234707, 4621010, 6469414, 9242020, 12938828, 16173535, 32347070, 64694140]

約数ペア:

[(1, 64694140), (2, 32347070), (4, 16173535), (5, 12938828), (7, 9242020), (10, 6469414), (14, 4621010), (20, 3234707), (28, 2310505), (35, 1848404), (70, 924202), (137, 472220), (140, 462101), (274, 236110), (548, 118055), (685, 94444), (959, 67460), (1370, 47222), (1918, 33730), (2740, 23611), (3373, 19180), (3836, 16865), (4795, 13492), (6746, 9590)]