201530420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{110731}}^1$

素因数の和:110760

約数の個数: 48

約数和(自身を含む): 520883328

約数和(自身を除く): 319352908

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 110731, 221462, 442924, 553655, 775117, 1107310, 1439503, 1550234, 2214620, 2879006, 3100468, 3875585, 5758012, 7197515, 7751170, 10076521, 14395030, 15502340, 20153042, 28790060, 40306084, 50382605, 100765210, 201530420]

約数ペア:

[(1, 201530420), (2, 100765210), (4, 50382605), (5, 40306084), (7, 28790060), (10, 20153042), (13, 15502340), (14, 14395030), (20, 10076521), (26, 7751170), (28, 7197515), (35, 5758012), (52, 3875585), (65, 3100468), (70, 2879006), (91, 2214620), (130, 1550234), (140, 1439503), (182, 1107310), (260, 775117), (364, 553655), (455, 442924), (910, 221462), (1820, 110731)]