77973700

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{15913}}^1$

素因数の和:15941

約数の個数: 54

約数和(自身を含む): 196840266

約数和(自身を除く): 118866566

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 140, 175, 196, 245, 350, 490, 700, 980, 1225, 2450, 4900, 15913, 31826, 63652, 79565, 111391, 159130, 222782, 318260, 397825, 445564, 556955, 779737, 795650, 1113910, 1559474, 1591300, 2227820, 2784775, 3118948, 3898685, 5569550, 7797370, 11139100, 15594740, 19493425, 38986850, 77973700]

約数ペア:

[(1, 77973700), (2, 38986850), (4, 19493425), (5, 15594740), (7, 11139100), (10, 7797370), (14, 5569550), (20, 3898685), (25, 3118948), (28, 2784775), (35, 2227820), (49, 1591300), (50, 1559474), (70, 1113910), (98, 795650), (100, 779737), (140, 556955), (175, 445564), (196, 397825), (245, 318260), (350, 222782), (490, 159130), (700, 111391), (980, 79565), (1225, 63652), (2450, 31826), (4900, 15913)]