278052203480

素因数分解:

$2^3\times 5^1\times {\mathrm{1607}}^1\times {\mathrm{4325641}}^1$

素因数の和:4327259

約数の個数: 32

約数和(自身を含む): 626006910240

約数和(自身を除く): 347954706760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1607, 3214, 6428, 8035, 12856, 16070, 32140, 64280, 4325641, 8651282, 17302564, 21628205, 34605128, 43256410, 86512820, 173025640, 6951305087, 13902610174, 27805220348, 34756525435, 55610440696, 69513050870, 139026101740, 278052203480]

約数ペア:

[(1, 278052203480), (2, 139026101740), (4, 69513050870), (5, 55610440696), (8, 34756525435), (10, 27805220348), (20, 13902610174), (40, 6951305087), (1607, 173025640), (3214, 86512820), (6428, 43256410), (8035, 34605128), (12856, 21628205), (16070, 17302564), (32140, 8651282), (64280, 4325641)]