129886850

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{2909}}^1$

素因数の和:2987

約数の個数: 48

約数和(自身を含む): 259804800

約数和(自身を除く): 129917950

約数列:

[1, 2, 5, 10, 19, 25, 38, 47, 50, 94, 95, 190, 235, 470, 475, 893, 950, 1175, 1786, 2350, 2909, 4465, 5818, 8930, 14545, 22325, 29090, 44650, 55271, 72725, 110542, 136723, 145450, 273446, 276355, 552710, 683615, 1367230, 1381775, 2597737, 2763550, 3418075, 5195474, 6836150, 12988685, 25977370, 64943425, 129886850]

約数ペア:

[(1, 129886850), (2, 64943425), (5, 25977370), (10, 12988685), (19, 6836150), (25, 5195474), (38, 3418075), (47, 2763550), (50, 2597737), (94, 1381775), (95, 1367230), (190, 683615), (235, 552710), (470, 276355), (475, 273446), (893, 145450), (950, 136723), (1175, 110542), (1786, 72725), (2350, 55271), (2909, 44650), (4465, 29090), (5818, 22325), (8930, 14545)]