4200980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{811}}^1$

素因数の和:864

約数の個数: 48

約数和(自身を含む): 10367616

約数和(自身を除く): 6166636

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 140, 148, 185, 259, 370, 518, 740, 811, 1036, 1295, 1622, 2590, 3244, 4055, 5180, 5677, 8110, 11354, 16220, 22708, 28385, 30007, 56770, 60014, 113540, 120028, 150035, 210049, 300070, 420098, 600140, 840196, 1050245, 2100490, 4200980]

約数ペア:

[(1, 4200980), (2, 2100490), (4, 1050245), (5, 840196), (7, 600140), (10, 420098), (14, 300070), (20, 210049), (28, 150035), (35, 120028), (37, 113540), (70, 60014), (74, 56770), (140, 30007), (148, 28385), (185, 22708), (259, 16220), (370, 11354), (518, 8110), (740, 5677), (811, 5180), (1036, 4055), (1295, 3244), (1622, 2590)]