71234900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{2089}}^1$

素因数の和:2145

約数の個数: 72

約数和(自身を含む): 174155520

約数和(自身を除く): 102920620

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 31, 44, 50, 55, 62, 100, 110, 124, 155, 220, 275, 310, 341, 550, 620, 682, 775, 1100, 1364, 1550, 1705, 2089, 3100, 3410, 4178, 6820, 8356, 8525, 10445, 17050, 20890, 22979, 34100, 41780, 45958, 52225, 64759, 91916, 104450, 114895, 129518, 208900, 229790, 259036, 323795, 459580, 574475, 647590, 712349, 1148950, 1295180, 1424698, 1618975, 2297900, 2849396, 3237950, 3561745, 6475900, 7123490, 14246980, 17808725, 35617450, 71234900]

約数ペア:

[(1, 71234900), (2, 35617450), (4, 17808725), (5, 14246980), (10, 7123490), (11, 6475900), (20, 3561745), (22, 3237950), (25, 2849396), (31, 2297900), (44, 1618975), (50, 1424698), (55, 1295180), (62, 1148950), (100, 712349), (110, 647590), (124, 574475), (155, 459580), (220, 323795), (275, 259036), (310, 229790), (341, 208900), (550, 129518), (620, 114895), (682, 104450), (775, 91916), (1100, 64759), (1364, 52225), (1550, 45958), (1705, 41780), (2089, 34100), (3100, 22979), (3410, 20890), (4178, 17050), (6820, 10445), (8356, 8525)]