239921720

素因数分解:

$2^3\times 5^1\times {\mathrm{271}}^1\times {\mathrm{22133}}^1$

素因数の和:22415

約数の個数: 32

約数和(自身を含む): 541840320

約数和(自身を除く): 301918600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 271, 542, 1084, 1355, 2168, 2710, 5420, 10840, 22133, 44266, 88532, 110665, 177064, 221330, 442660, 885320, 5998043, 11996086, 23992172, 29990215, 47984344, 59980430, 119960860, 239921720]

約数ペア:

[(1, 239921720), (2, 119960860), (4, 59980430), (5, 47984344), (8, 29990215), (10, 23992172), (20, 11996086), (40, 5998043), (271, 885320), (542, 442660), (1084, 221330), (1355, 177064), (2168, 110665), (2710, 88532), (5420, 44266), (10840, 22133)]