157220380

素因数分解:

$2^2\times 5^1\times {\mathrm{911}}^1\times {\mathrm{8629}}^1$

素因数の和:9549

約数の個数: 24

約数和(自身を含む): 330563520

約数和(自身を除く): 173343140

約数列:

[1, 2, 4, 5, 10, 20, 911, 1822, 3644, 4555, 8629, 9110, 17258, 18220, 34516, 43145, 86290, 172580, 7861019, 15722038, 31444076, 39305095, 78610190, 157220380]

約数ペア:

[(1, 157220380), (2, 78610190), (4, 39305095), (5, 31444076), (10, 15722038), (20, 7861019), (911, 172580), (1822, 86290), (3644, 43145), (4555, 34516), (8629, 18220), (9110, 17258)]