27774340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{499}}^1$

素因数の和:553

約数の個数: 72

約数和(自身を含む): 67032000

約数和(自身を除く): 39257660

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 92, 110, 115, 121, 220, 230, 242, 253, 460, 484, 499, 506, 605, 998, 1012, 1210, 1265, 1996, 2420, 2495, 2530, 2783, 4990, 5060, 5489, 5566, 9980, 10978, 11132, 11477, 13915, 21956, 22954, 27445, 27830, 45908, 54890, 55660, 57385, 60379, 109780, 114770, 120758, 126247, 229540, 241516, 252494, 301895, 504988, 603790, 631235, 1207580, 1262470, 1388717, 2524940, 2777434, 5554868, 6943585, 13887170, 27774340]

約数ペア:

[(1, 27774340), (2, 13887170), (4, 6943585), (5, 5554868), (10, 2777434), (11, 2524940), (20, 1388717), (22, 1262470), (23, 1207580), (44, 631235), (46, 603790), (55, 504988), (92, 301895), (110, 252494), (115, 241516), (121, 229540), (220, 126247), (230, 120758), (242, 114770), (253, 109780), (460, 60379), (484, 57385), (499, 55660), (506, 54890), (605, 45908), (998, 27830), (1012, 27445), (1210, 22954), (1265, 21956), (1996, 13915), (2420, 11477), (2495, 11132), (2530, 10978), (2783, 9980), (4990, 5566), (5060, 5489)]