23991940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{409}}^1\times {\mathrm{419}}^1$

素因数の和:844

約数の個数: 48

約数和(自身を含む): 57859200

約数和(自身を除く): 33867260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 409, 419, 818, 838, 1636, 1676, 2045, 2095, 2863, 2933, 4090, 4190, 5726, 5866, 8180, 8380, 11452, 11732, 14315, 14665, 28630, 29330, 57260, 58660, 171371, 342742, 685484, 856855, 1199597, 1713710, 2399194, 3427420, 4798388, 5997985, 11995970, 23991940]

約数ペア:

[(1, 23991940), (2, 11995970), (4, 5997985), (5, 4798388), (7, 3427420), (10, 2399194), (14, 1713710), (20, 1199597), (28, 856855), (35, 685484), (70, 342742), (140, 171371), (409, 58660), (419, 57260), (818, 29330), (838, 28630), (1636, 14665), (1676, 14315), (2045, 11732), (2095, 11452), (2863, 8380), (2933, 8180), (4090, 5866), (4190, 5726)]