91345240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{2347}}^1$

素因数の和:2504

約数の個数: 64

約数和(自身を含む): 236678400

約数和(自身を除く): 145333160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 139, 140, 278, 280, 556, 695, 973, 1112, 1390, 1946, 2347, 2780, 3892, 4694, 4865, 5560, 7784, 9388, 9730, 11735, 16429, 18776, 19460, 23470, 32858, 38920, 46940, 65716, 82145, 93880, 131432, 164290, 326233, 328580, 652466, 657160, 1304932, 1631165, 2283631, 2609864, 3262330, 4567262, 6524660, 9134524, 11418155, 13049320, 18269048, 22836310, 45672620, 91345240]

約数ペア:

[(1, 91345240), (2, 45672620), (4, 22836310), (5, 18269048), (7, 13049320), (8, 11418155), (10, 9134524), (14, 6524660), (20, 4567262), (28, 3262330), (35, 2609864), (40, 2283631), (56, 1631165), (70, 1304932), (139, 657160), (140, 652466), (278, 328580), (280, 326233), (556, 164290), (695, 131432), (973, 93880), (1112, 82145), (1390, 65716), (1946, 46940), (2347, 38920), (2780, 32858), (3892, 23470), (4694, 19460), (4865, 18776), (5560, 16429), (7784, 11735), (9388, 9730)]