153286420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{7877}}^1$

素因数の和:8032

約数の個数: 48

約数和(自身を含む): 370581120

約数和(自身を除く): 217294700

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 139, 140, 278, 556, 695, 973, 1390, 1946, 2780, 3892, 4865, 7877, 9730, 15754, 19460, 31508, 39385, 55139, 78770, 110278, 157540, 220556, 275695, 551390, 1094903, 1102780, 2189806, 4379612, 5474515, 7664321, 10949030, 15328642, 21898060, 30657284, 38321605, 76643210, 153286420]

約数ペア:

[(1, 153286420), (2, 76643210), (4, 38321605), (5, 30657284), (7, 21898060), (10, 15328642), (14, 10949030), (20, 7664321), (28, 5474515), (35, 4379612), (70, 2189806), (139, 1102780), (140, 1094903), (278, 551390), (556, 275695), (695, 220556), (973, 157540), (1390, 110278), (1946, 78770), (2780, 55139), (3892, 39385), (4865, 31508), (7877, 19460), (9730, 15754)]