381704780

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{281}}^1\times {\mathrm{2953}}^1$

素因数の和:3266

約数の個数: 48

約数和(自身を含む): 839692224

約数和(自身を除く): 457987444

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 281, 460, 562, 1124, 1405, 2810, 2953, 5620, 5906, 6463, 11812, 12926, 14765, 25852, 29530, 32315, 59060, 64630, 67919, 129260, 135838, 271676, 339595, 679190, 829793, 1358380, 1659586, 3319172, 4148965, 8297930, 16595860, 19085239, 38170478, 76340956, 95426195, 190852390, 381704780]

約数ペア:

[(1, 381704780), (2, 190852390), (4, 95426195), (5, 76340956), (10, 38170478), (20, 19085239), (23, 16595860), (46, 8297930), (92, 4148965), (115, 3319172), (230, 1659586), (281, 1358380), (460, 829793), (562, 679190), (1124, 339595), (1405, 271676), (2810, 135838), (2953, 129260), (5620, 67919), (5906, 64630), (6463, 59060), (11812, 32315), (12926, 29530), (14765, 25852)]