194211980

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{136769}}^1$

素因数の和:136849

約数の個数: 24

約数和(自身を含む): 413592480

約数和(自身を除く): 219380500

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 136769, 273538, 547076, 683845, 1367690, 2735380, 9710599, 19421198, 38842396, 48552995, 97105990, 194211980]

約数ペア:

[(1, 194211980), (2, 97105990), (4, 48552995), (5, 38842396), (10, 19421198), (20, 9710599), (71, 2735380), (142, 1367690), (284, 683845), (355, 547076), (710, 273538), (1420, 136769)]