78973790

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{3931}}^1$

素因数の和:3993

約数の個数: 48

約数和(自身を含む): 169437744

約数和(自身を除く): 90463954

約数列:

[1, 2, 5, 7, 10, 14, 35, 41, 49, 70, 82, 98, 205, 245, 287, 410, 490, 574, 1435, 2009, 2870, 3931, 4018, 7862, 10045, 19655, 20090, 27517, 39310, 55034, 137585, 161171, 192619, 275170, 322342, 385238, 805855, 963095, 1128197, 1611710, 1926190, 2256394, 5640985, 7897379, 11281970, 15794758, 39486895, 78973790]

約数ペア:

[(1, 78973790), (2, 39486895), (5, 15794758), (7, 11281970), (10, 7897379), (14, 5640985), (35, 2256394), (41, 1926190), (49, 1611710), (70, 1128197), (82, 963095), (98, 805855), (205, 385238), (245, 322342), (287, 275170), (410, 192619), (490, 161171), (574, 137585), (1435, 55034), (2009, 39310), (2870, 27517), (3931, 20090), (4018, 19655), (7862, 10045)]