122980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1$

素因数の和:76

約数の個数: 48

約数和(自身を含む): 310464

約数和(自身を除く): 187484

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 43, 44, 52, 55, 65, 86, 110, 130, 143, 172, 215, 220, 260, 286, 430, 473, 559, 572, 715, 860, 946, 1118, 1430, 1892, 2236, 2365, 2795, 2860, 4730, 5590, 6149, 9460, 11180, 12298, 24596, 30745, 61490, 122980]

約数ペア:

[(1, 122980), (2, 61490), (4, 30745), (5, 24596), (10, 12298), (11, 11180), (13, 9460), (20, 6149), (22, 5590), (26, 4730), (43, 2860), (44, 2795), (52, 2365), (55, 2236), (65, 1892), (86, 1430), (110, 1118), (130, 946), (143, 860), (172, 715), (215, 572), (220, 559), (260, 473), (286, 430)]