218454940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{293}}^1\times {\mathrm{3389}}^1$

素因数の和:3702

約数の個数: 48

約数和(自身を含む): 502316640

約数和(自身を除く): 283861700

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 293, 586, 1172, 1465, 2930, 3223, 3389, 5860, 6446, 6778, 12892, 13556, 16115, 16945, 32230, 33890, 37279, 64460, 67780, 74558, 149116, 186395, 372790, 745580, 992977, 1985954, 3971908, 4964885, 9929770, 10922747, 19859540, 21845494, 43690988, 54613735, 109227470, 218454940]

約数ペア:

[(1, 218454940), (2, 109227470), (4, 54613735), (5, 43690988), (10, 21845494), (11, 19859540), (20, 10922747), (22, 9929770), (44, 4964885), (55, 3971908), (110, 1985954), (220, 992977), (293, 745580), (586, 372790), (1172, 186395), (1465, 149116), (2930, 74558), (3223, 67780), (3389, 64460), (5860, 37279), (6446, 33890), (6778, 32230), (12892, 16945), (13556, 16115)]