9994820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{251}}^1$

素因数の和:452

約数の個数: 48

約数和(自身を含む): 23115456

約数和(自身を除く): 13120636

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 181, 220, 251, 362, 502, 724, 905, 1004, 1255, 1810, 1991, 2510, 2761, 3620, 3982, 5020, 5522, 7964, 9955, 11044, 13805, 19910, 27610, 39820, 45431, 55220, 90862, 181724, 227155, 454310, 499741, 908620, 999482, 1998964, 2498705, 4997410, 9994820]

約数ペア:

[(1, 9994820), (2, 4997410), (4, 2498705), (5, 1998964), (10, 999482), (11, 908620), (20, 499741), (22, 454310), (44, 227155), (55, 181724), (110, 90862), (181, 55220), (220, 45431), (251, 39820), (362, 27610), (502, 19910), (724, 13805), (905, 11044), (1004, 9955), (1255, 7964), (1810, 5522), (1991, 5020), (2510, 3982), (2761, 3620)]