28069580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{1657}}^1$

素因数の和:1695

約数の個数: 72

約数和(自身を含む): 74092704

約数和(自身を除く): 46023124

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 121, 140, 154, 220, 242, 308, 385, 484, 605, 770, 847, 1210, 1540, 1657, 1694, 2420, 3314, 3388, 4235, 6628, 8285, 8470, 11599, 16570, 16940, 18227, 23198, 33140, 36454, 46396, 57995, 72908, 91135, 115990, 127589, 182270, 200497, 231980, 255178, 364540, 400994, 510356, 637945, 801988, 1002485, 1275890, 1403479, 2004970, 2551780, 2806958, 4009940, 5613916, 7017395, 14034790, 28069580]

約数ペア:

[(1, 28069580), (2, 14034790), (4, 7017395), (5, 5613916), (7, 4009940), (10, 2806958), (11, 2551780), (14, 2004970), (20, 1403479), (22, 1275890), (28, 1002485), (35, 801988), (44, 637945), (55, 510356), (70, 400994), (77, 364540), (110, 255178), (121, 231980), (140, 200497), (154, 182270), (220, 127589), (242, 115990), (308, 91135), (385, 72908), (484, 57995), (605, 46396), (770, 36454), (847, 33140), (1210, 23198), (1540, 18227), (1657, 16940), (1694, 16570), (2420, 11599), (3314, 8470), (3388, 8285), (4235, 6628)]