71212460

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{3637}}^1$

素因数の和:3746

約数の個数: 48

約数和(自身を含む): 165019680

約数和(自身を除く): 93807220

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 89, 110, 178, 220, 356, 445, 890, 979, 1780, 1958, 3637, 3916, 4895, 7274, 9790, 14548, 18185, 19580, 36370, 40007, 72740, 80014, 160028, 200035, 323693, 400070, 647386, 800140, 1294772, 1618465, 3236930, 3560623, 6473860, 7121246, 14242492, 17803115, 35606230, 71212460]

約数ペア:

[(1, 71212460), (2, 35606230), (4, 17803115), (5, 14242492), (10, 7121246), (11, 6473860), (20, 3560623), (22, 3236930), (44, 1618465), (55, 1294772), (89, 800140), (110, 647386), (178, 400070), (220, 323693), (356, 200035), (445, 160028), (890, 80014), (979, 72740), (1780, 40007), (1958, 36370), (3637, 19580), (3916, 18185), (4895, 14548), (7274, 9790)]