220187720

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{189817}}^1$

素因数の和:189857

約数の個数: 32

約数和(自身を含む): 512508600

約数和(自身を除く): 292320880

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 189817, 379634, 759268, 949085, 1518536, 1898170, 3796340, 5504693, 7592680, 11009386, 22018772, 27523465, 44037544, 55046930, 110093860, 220187720]

約数ペア:

[(1, 220187720), (2, 110093860), (4, 55046930), (5, 44037544), (8, 27523465), (10, 22018772), (20, 11009386), (29, 7592680), (40, 5504693), (58, 3796340), (116, 1898170), (145, 1518536), (232, 949085), (290, 759268), (580, 379634), (1160, 189817)]