269720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{613}}^1$

素因数の和:635

約数の個数: 32

約数和(自身を含む): 663120

約数和(自身を除く): 393400

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 613, 1226, 2452, 3065, 4904, 6130, 6743, 12260, 13486, 24520, 26972, 33715, 53944, 67430, 134860, 269720]

約数ペア:

[(1, 269720), (2, 134860), (4, 67430), (5, 53944), (8, 33715), (10, 26972), (11, 24520), (20, 13486), (22, 12260), (40, 6743), (44, 6130), (55, 4904), (88, 3065), (110, 2452), (220, 1226), (440, 613)]