78787660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{3253}}^1$

素因数の和:3442

約数の個数: 48

約数和(自身を含む): 190241856

約数和(自身を除く): 111454196

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 173, 346, 692, 865, 1211, 1730, 2422, 3253, 3460, 4844, 6055, 6506, 12110, 13012, 16265, 22771, 24220, 32530, 45542, 65060, 91084, 113855, 227710, 455420, 562769, 1125538, 2251076, 2813845, 3939383, 5627690, 7878766, 11255380, 15757532, 19696915, 39393830, 78787660]

約数ペア:

[(1, 78787660), (2, 39393830), (4, 19696915), (5, 15757532), (7, 11255380), (10, 7878766), (14, 5627690), (20, 3939383), (28, 2813845), (35, 2251076), (70, 1125538), (140, 562769), (173, 455420), (346, 227710), (692, 113855), (865, 91084), (1211, 65060), (1730, 45542), (2422, 32530), (3253, 24220), (3460, 22771), (4844, 16265), (6055, 13012), (6506, 12110)]