1387200380

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1097}}^1\times {\mathrm{2749}}^1$

素因数の和:3878

約数の個数: 48

約数和(自身を含む): 3043656000

約数和(自身を除く): 1656455620

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 1097, 2194, 2749, 4388, 5485, 5498, 10970, 10996, 13745, 21940, 25231, 27490, 50462, 54980, 63227, 100924, 126155, 126454, 252310, 252908, 316135, 504620, 632270, 1264540, 3015653, 6031306, 12062612, 15078265, 30156530, 60313060, 69360019, 138720038, 277440076, 346800095, 693600190, 1387200380]

約数ペア:

[(1, 1387200380), (2, 693600190), (4, 346800095), (5, 277440076), (10, 138720038), (20, 69360019), (23, 60313060), (46, 30156530), (92, 15078265), (115, 12062612), (230, 6031306), (460, 3015653), (1097, 1264540), (2194, 632270), (2749, 504620), (4388, 316135), (5485, 252908), (5498, 252310), (10970, 126454), (10996, 126155), (13745, 100924), (21940, 63227), (25231, 54980), (27490, 50462)]