31054380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{73939}}^1$

素因数の和:73958

約数の個数: 48

約数和(自身を含む): 99375360

約数和(自身を除く): 68320980

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 73939, 147878, 221817, 295756, 369695, 443634, 517573, 739390, 887268, 1035146, 1109085, 1478780, 1552719, 2070292, 2218170, 2587865, 3105438, 4436340, 5175730, 6210876, 7763595, 10351460, 15527190, 31054380]

約数ペア:

[(1, 31054380), (2, 15527190), (3, 10351460), (4, 7763595), (5, 6210876), (6, 5175730), (7, 4436340), (10, 3105438), (12, 2587865), (14, 2218170), (15, 2070292), (20, 1552719), (21, 1478780), (28, 1109085), (30, 1035146), (35, 887268), (42, 739390), (60, 517573), (70, 443634), (84, 369695), (105, 295756), (140, 221817), (210, 147878), (420, 73939)]