247720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{563}}^1$

素因数の和:585

約数の個数: 32

約数和(自身を含む): 609120

約数和(自身を除く): 361400

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 563, 1126, 2252, 2815, 4504, 5630, 6193, 11260, 12386, 22520, 24772, 30965, 49544, 61930, 123860, 247720]

約数ペア:

[(1, 247720), (2, 123860), (4, 61930), (5, 49544), (8, 30965), (10, 24772), (11, 22520), (20, 12386), (22, 11260), (40, 6193), (44, 5630), (55, 4504), (88, 2815), (110, 2252), (220, 1126), (440, 563)]