29784920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{487}}^1$

素因数の和:648

約数の個数: 64

約数和(自身を含む): 73785600

約数和(自身を除く): 44000680

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 139, 220, 278, 440, 487, 556, 695, 974, 1112, 1390, 1529, 1948, 2435, 2780, 3058, 3896, 4870, 5357, 5560, 6116, 7645, 9740, 10714, 12232, 15290, 19480, 21428, 26785, 30580, 42856, 53570, 61160, 67693, 107140, 135386, 214280, 270772, 338465, 541544, 676930, 744623, 1353860, 1489246, 2707720, 2978492, 3723115, 5956984, 7446230, 14892460, 29784920]

約数ペア:

[(1, 29784920), (2, 14892460), (4, 7446230), (5, 5956984), (8, 3723115), (10, 2978492), (11, 2707720), (20, 1489246), (22, 1353860), (40, 744623), (44, 676930), (55, 541544), (88, 338465), (110, 270772), (139, 214280), (220, 135386), (278, 107140), (440, 67693), (487, 61160), (556, 53570), (695, 42856), (974, 30580), (1112, 26785), (1390, 21428), (1529, 19480), (1948, 15290), (2435, 12232), (2780, 10714), (3058, 9740), (3896, 7645), (4870, 6116), (5357, 5560)]