27975140

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{347}}^1$

素因数の和:524

約数の個数: 48

約数和(自身を含む): 61387200

約数和(自身を除く): 33412060

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 139, 145, 278, 290, 347, 556, 580, 694, 695, 1388, 1390, 1735, 2780, 3470, 4031, 6940, 8062, 10063, 16124, 20126, 20155, 40252, 40310, 48233, 50315, 80620, 96466, 100630, 192932, 201260, 241165, 482330, 964660, 1398757, 2797514, 5595028, 6993785, 13987570, 27975140]

約数ペア:

[(1, 27975140), (2, 13987570), (4, 6993785), (5, 5595028), (10, 2797514), (20, 1398757), (29, 964660), (58, 482330), (116, 241165), (139, 201260), (145, 192932), (278, 100630), (290, 96466), (347, 80620), (556, 50315), (580, 48233), (694, 40310), (695, 40252), (1388, 20155), (1390, 20126), (1735, 16124), (2780, 10063), (3470, 8062), (4031, 6940)]