79184840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{389}}^1\times {\mathrm{727}}^1$

素因数の和:1134

約数の個数: 64

約数和(自身を含む): 204422400

約数和(自身を除く): 125237560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 389, 727, 778, 1454, 1556, 1945, 2723, 2908, 3112, 3635, 3890, 5089, 5446, 5816, 7270, 7780, 10178, 10892, 13615, 14540, 15560, 20356, 21784, 25445, 27230, 29080, 40712, 50890, 54460, 101780, 108920, 203560, 282803, 565606, 1131212, 1414015, 1979621, 2262424, 2828030, 3959242, 5656060, 7918484, 9898105, 11312120, 15836968, 19796210, 39592420, 79184840]

約数ペア:

[(1, 79184840), (2, 39592420), (4, 19796210), (5, 15836968), (7, 11312120), (8, 9898105), (10, 7918484), (14, 5656060), (20, 3959242), (28, 2828030), (35, 2262424), (40, 1979621), (56, 1414015), (70, 1131212), (140, 565606), (280, 282803), (389, 203560), (727, 108920), (778, 101780), (1454, 54460), (1556, 50890), (1945, 40712), (2723, 29080), (2908, 27230), (3112, 25445), (3635, 21784), (3890, 20356), (5089, 15560), (5446, 14540), (5816, 13615), (7270, 10892), (7780, 10178)]