201942020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{21529}}^1$

素因数の和:21612

約数の個数: 48

約数和(自身を含む): 491917440

約数和(自身を除く): 289975420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 67, 70, 134, 140, 268, 335, 469, 670, 938, 1340, 1876, 2345, 4690, 9380, 21529, 43058, 86116, 107645, 150703, 215290, 301406, 430580, 602812, 753515, 1442443, 1507030, 2884886, 3014060, 5769772, 7212215, 10097101, 14424430, 20194202, 28848860, 40388404, 50485505, 100971010, 201942020]

約数ペア:

[(1, 201942020), (2, 100971010), (4, 50485505), (5, 40388404), (7, 28848860), (10, 20194202), (14, 14424430), (20, 10097101), (28, 7212215), (35, 5769772), (67, 3014060), (70, 2884886), (134, 1507030), (140, 1442443), (268, 753515), (335, 602812), (469, 430580), (670, 301406), (938, 215290), (1340, 150703), (1876, 107645), (2345, 86116), (4690, 43058), (9380, 21529)]