47983880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{409}}^1\times {\mathrm{419}}^1$

素因数の和:846

約数の個数: 64

約数和(自身を含む): 123984000

約数和(自身を除く): 76000120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 409, 419, 818, 838, 1636, 1676, 2045, 2095, 2863, 2933, 3272, 3352, 4090, 4190, 5726, 5866, 8180, 8380, 11452, 11732, 14315, 14665, 16360, 16760, 22904, 23464, 28630, 29330, 57260, 58660, 114520, 117320, 171371, 342742, 685484, 856855, 1199597, 1370968, 1713710, 2399194, 3427420, 4798388, 5997985, 6854840, 9596776, 11995970, 23991940, 47983880]

約数ペア:

[(1, 47983880), (2, 23991940), (4, 11995970), (5, 9596776), (7, 6854840), (8, 5997985), (10, 4798388), (14, 3427420), (20, 2399194), (28, 1713710), (35, 1370968), (40, 1199597), (56, 856855), (70, 685484), (140, 342742), (280, 171371), (409, 117320), (419, 114520), (818, 58660), (838, 57260), (1636, 29330), (1676, 28630), (2045, 23464), (2095, 22904), (2863, 16760), (2933, 16360), (3272, 14665), (3352, 14315), (4090, 11732), (4190, 11452), (5726, 8380), (5866, 8180)]