28961240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{9403}}^1$

素因数の和:9432

約数の個数: 64

約数和(自身を含む): 81250560

約数和(自身を除く): 52289320

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 1540, 3080, 9403, 18806, 37612, 47015, 65821, 75224, 94030, 103433, 131642, 188060, 206866, 263284, 329105, 376120, 413732, 517165, 526568, 658210, 724031, 827464, 1034330, 1316420, 1448062, 2068660, 2632840, 2896124, 3620155, 4137320, 5792248, 7240310, 14480620, 28961240]

約数ペア:

[(1, 28961240), (2, 14480620), (4, 7240310), (5, 5792248), (7, 4137320), (8, 3620155), (10, 2896124), (11, 2632840), (14, 2068660), (20, 1448062), (22, 1316420), (28, 1034330), (35, 827464), (40, 724031), (44, 658210), (55, 526568), (56, 517165), (70, 413732), (77, 376120), (88, 329105), (110, 263284), (140, 206866), (154, 188060), (220, 131642), (280, 103433), (308, 94030), (385, 75224), (440, 65821), (616, 47015), (770, 37612), (1540, 18806), (3080, 9403)]