207302020

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^2\times {\mathrm{2309}}^1$

素因数の和:2452

約数の個数: 36

約数和(自身を含む): 442120140

約数和(自身を除く): 234818120

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 335, 670, 1340, 2309, 4489, 4618, 8978, 9236, 11545, 17956, 22445, 23090, 44890, 46180, 89780, 154703, 309406, 618812, 773515, 1547030, 3094060, 10365101, 20730202, 41460404, 51825505, 103651010, 207302020]

約数ペア:

[(1, 207302020), (2, 103651010), (4, 51825505), (5, 41460404), (10, 20730202), (20, 10365101), (67, 3094060), (134, 1547030), (268, 773515), (335, 618812), (670, 309406), (1340, 154703), (2309, 89780), (4489, 46180), (4618, 44890), (8978, 23090), (9236, 22445), (11545, 17956)]