280628200

素因数分解:

$2^3\times 5^2\times {\mathrm{131}}^1\times {\mathrm{10711}}^1$

素因数の和:10858

約数の個数: 48

約数和(自身を含む): 657502560

約数和(自身を除く): 376874360

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 131, 200, 262, 524, 655, 1048, 1310, 2620, 3275, 5240, 6550, 10711, 13100, 21422, 26200, 42844, 53555, 85688, 107110, 214220, 267775, 428440, 535550, 1071100, 1403141, 2142200, 2806282, 5612564, 7015705, 11225128, 14031410, 28062820, 35078525, 56125640, 70157050, 140314100, 280628200]

約数ペア:

[(1, 280628200), (2, 140314100), (4, 70157050), (5, 56125640), (8, 35078525), (10, 28062820), (20, 14031410), (25, 11225128), (40, 7015705), (50, 5612564), (100, 2806282), (131, 2142200), (200, 1403141), (262, 1071100), (524, 535550), (655, 428440), (1048, 267775), (1310, 214220), (2620, 107110), (3275, 85688), (5240, 53555), (6550, 42844), (10711, 26200), (13100, 21422)]