242728840

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{209249}}^1$

素因数の和:209289

約数の個数: 32

約数和(自身を含む): 564975000

約数和(自身を除く): 322246160

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 209249, 418498, 836996, 1046245, 1673992, 2092490, 4184980, 6068221, 8369960, 12136442, 24272884, 30341105, 48545768, 60682210, 121364420, 242728840]

約数ペア:

[(1, 242728840), (2, 121364420), (4, 60682210), (5, 48545768), (8, 30341105), (10, 24272884), (20, 12136442), (29, 8369960), (40, 6068221), (58, 4184980), (116, 2092490), (145, 1673992), (232, 1046245), (290, 836996), (580, 418498), (1160, 209249)]