38926460

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{347}}^1$

素因数の和:506

約数の個数: 48

約数和(自身を含む): 84188160

約数和(自身を除く): 45261700

約数列:

[1, 2, 4, 5, 10, 20, 71, 79, 142, 158, 284, 316, 347, 355, 395, 694, 710, 790, 1388, 1420, 1580, 1735, 3470, 5609, 6940, 11218, 22436, 24637, 27413, 28045, 49274, 54826, 56090, 98548, 109652, 112180, 123185, 137065, 246370, 274130, 492740, 548260, 1946323, 3892646, 7785292, 9731615, 19463230, 38926460]

約数ペア:

[(1, 38926460), (2, 19463230), (4, 9731615), (5, 7785292), (10, 3892646), (20, 1946323), (71, 548260), (79, 492740), (142, 274130), (158, 246370), (284, 137065), (316, 123185), (347, 112180), (355, 109652), (395, 98548), (694, 56090), (710, 54826), (790, 49274), (1388, 28045), (1420, 27413), (1580, 24637), (1735, 22436), (3470, 11218), (5609, 6940)]