259360420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{51257}}^1$

素因数の和:51300

約数の個数: 48

約数和(自身を含む): 620016768

約数和(自身を除く): 360656348

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 92, 110, 115, 220, 230, 253, 460, 506, 1012, 1265, 2530, 5060, 51257, 102514, 205028, 256285, 512570, 563827, 1025140, 1127654, 1178911, 2255308, 2357822, 2819135, 4715644, 5638270, 5894555, 11276540, 11789110, 12968021, 23578220, 25936042, 51872084, 64840105, 129680210, 259360420]

約数ペア:

[(1, 259360420), (2, 129680210), (4, 64840105), (5, 51872084), (10, 25936042), (11, 23578220), (20, 12968021), (22, 11789110), (23, 11276540), (44, 5894555), (46, 5638270), (55, 4715644), (92, 2819135), (110, 2357822), (115, 2255308), (220, 1178911), (230, 1127654), (253, 1025140), (460, 563827), (506, 512570), (1012, 256285), (1265, 205028), (2530, 102514), (5060, 51257)]