87200260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{4481}}^1$

素因数の和:4636

約数の個数: 48

約数和(自身を含む): 210833280

約数和(自身を除く): 123633020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 139, 140, 278, 556, 695, 973, 1390, 1946, 2780, 3892, 4481, 4865, 8962, 9730, 17924, 19460, 22405, 31367, 44810, 62734, 89620, 125468, 156835, 313670, 622859, 627340, 1245718, 2491436, 3114295, 4360013, 6228590, 8720026, 12457180, 17440052, 21800065, 43600130, 87200260]

約数ペア:

[(1, 87200260), (2, 43600130), (4, 21800065), (5, 17440052), (7, 12457180), (10, 8720026), (14, 6228590), (20, 4360013), (28, 3114295), (35, 2491436), (70, 1245718), (139, 627340), (140, 622859), (278, 313670), (556, 156835), (695, 125468), (973, 89620), (1390, 62734), (1946, 44810), (2780, 31367), (3892, 22405), (4481, 19460), (4865, 17924), (8962, 9730)]