217200420

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{402223}}^1$

素因数の和:402241

約数の個数: 48

約数和(自身を含む): 675736320

約数和(自身を除く): 458535900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 402223, 804446, 1206669, 1608892, 2011115, 2413338, 3620007, 4022230, 4826676, 6033345, 7240014, 8044460, 10860021, 12066690, 14480028, 18100035, 21720042, 24133380, 36200070, 43440084, 54300105, 72400140, 108600210, 217200420]

約数ペア:

[(1, 217200420), (2, 108600210), (3, 72400140), (4, 54300105), (5, 43440084), (6, 36200070), (9, 24133380), (10, 21720042), (12, 18100035), (15, 14480028), (18, 12066690), (20, 10860021), (27, 8044460), (30, 7240014), (36, 6033345), (45, 4826676), (54, 4022230), (60, 3620007), (90, 2413338), (108, 2011115), (135, 1608892), (180, 1206669), (270, 804446), (540, 402223)]