305495120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{545527}}^1$

素因数の和:545547

約数の個数: 40

約数和(自身を含む): 811745664

約数和(自身を除く): 506250544

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 545527, 1091054, 2182108, 2727635, 3818689, 4364216, 5455270, 7637378, 8728432, 10910540, 15274756, 19093445, 21821080, 30549512, 38186890, 43642160, 61099024, 76373780, 152747560, 305495120]

約数ペア:

[(1, 305495120), (2, 152747560), (4, 76373780), (5, 61099024), (7, 43642160), (8, 38186890), (10, 30549512), (14, 21821080), (16, 19093445), (20, 15274756), (28, 10910540), (35, 8728432), (40, 7637378), (56, 5455270), (70, 4364216), (80, 3818689), (112, 2727635), (140, 2182108), (280, 1091054), (560, 545527)]