620940140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1634053}}^1$

素因数の和:1634081

約数の個数: 24

約数和(自身を含む): 1372605360

約数和(自身を除く): 751665220

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 1634053, 3268106, 6536212, 8170265, 16340530, 31047007, 32681060, 62094014, 124188028, 155235035, 310470070, 620940140]

約数ペア:

[(1, 620940140), (2, 310470070), (4, 155235035), (5, 124188028), (10, 62094014), (19, 32681060), (20, 31047007), (38, 16340530), (76, 8170265), (95, 6536212), (190, 3268106), (380, 1634053)]