750722980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{263}}^1\times {\mathrm{20389}}^1$

素因数の和:20668

約数の個数: 48

約数和(自身を含む): 1808674560

約数和(自身を除く): 1057951580

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 263, 526, 1052, 1315, 1841, 2630, 3682, 5260, 7364, 9205, 18410, 20389, 36820, 40778, 81556, 101945, 142723, 203890, 285446, 407780, 570892, 713615, 1427230, 2854460, 5362307, 10724614, 21449228, 26811535, 37536149, 53623070, 75072298, 107246140, 150144596, 187680745, 375361490, 750722980]

約数ペア:

[(1, 750722980), (2, 375361490), (4, 187680745), (5, 150144596), (7, 107246140), (10, 75072298), (14, 53623070), (20, 37536149), (28, 26811535), (35, 21449228), (70, 10724614), (140, 5362307), (263, 2854460), (526, 1427230), (1052, 713615), (1315, 570892), (1841, 407780), (2630, 285446), (3682, 203890), (5260, 142723), (7364, 101945), (9205, 81556), (18410, 40778), (20389, 36820)]