28668860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{863}}^1$

素因数の和:1034

約数の個数: 48

約数和(自身を含む): 66189312

約数和(自身を除く): 37520452

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 151, 220, 302, 604, 755, 863, 1510, 1661, 1726, 3020, 3322, 3452, 4315, 6644, 8305, 8630, 9493, 16610, 17260, 18986, 33220, 37972, 47465, 94930, 130313, 189860, 260626, 521252, 651565, 1303130, 1433443, 2606260, 2866886, 5733772, 7167215, 14334430, 28668860]

約数ペア:

[(1, 28668860), (2, 14334430), (4, 7167215), (5, 5733772), (10, 2866886), (11, 2606260), (20, 1433443), (22, 1303130), (44, 651565), (55, 521252), (110, 260626), (151, 189860), (220, 130313), (302, 94930), (604, 47465), (755, 37972), (863, 33220), (1510, 18986), (1661, 17260), (1726, 16610), (3020, 9493), (3322, 8630), (3452, 8305), (4315, 6644)]