78679790

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{211}}^1\times {\mathrm{761}}^1$

素因数の和:993

約数の個数: 48

約数和(自身を含む): 165744144

約数和(自身を除く): 87064354

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 211, 245, 422, 490, 761, 1055, 1477, 1522, 2110, 2954, 3805, 5327, 7385, 7610, 10339, 10654, 14770, 20678, 26635, 37289, 51695, 53270, 74578, 103390, 160571, 186445, 321142, 372890, 802855, 1123997, 1605710, 2247994, 5619985, 7867979, 11239970, 15735958, 39339895, 78679790]

約数ペア:

[(1, 78679790), (2, 39339895), (5, 15735958), (7, 11239970), (10, 7867979), (14, 5619985), (35, 2247994), (49, 1605710), (70, 1123997), (98, 802855), (211, 372890), (245, 321142), (422, 186445), (490, 160571), (761, 103390), (1055, 74578), (1477, 53270), (1522, 51695), (2110, 37289), (2954, 26635), (3805, 20678), (5327, 14770), (7385, 10654), (7610, 10339)]